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October is the tenth month of the year in the Julian and
Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull issued by Pope Gregory XIII, which introduced it as a modification of, and replacement for, the Julian cale ...
s. Its length is 31 days. The eighth month in the old calendar of Romulus , October retained its name (from
Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
and
Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...
''ôctō'' meaning "eight") after January and February were inserted into the calendar that had originally been created by the Romans. In
Ancient Rome In modern historiography, ancient Rome is the Roman people, Roman civilisation from the founding of Rome, founding of the Italian city of Rome in the 8th century BC to the Fall of the Western Roman Empire, collapse of the Western Roman Em ...
, one of three Mundus patet would take place on October 5, Meditrinalia October 11, Augustalia on October 12,
October Horse In Religion in ancient Rome, ancient Roman religion, the October Horse (Latin ''Equus October'') was an animal sacrifice to Mars (mythology), Mars carried out on October 15, coinciding with the end of the Roman agriculture, agricultural and mili ...
on October 15, and
Armilustrium In ancient Roman religion, the Armilustrium was a festival in honor of Mars, the god of war, celebrated on October 19. H.H. Scullard, ''Festivals and Ceremonies of the Roman Republic'' (Cornell University Press, 1981), p. 195. On this day the weap ...
on October 19. These dates do not correspond to the modern Gregorian calendar. Among the
Anglo-Saxon The Anglo-Saxons, in some contexts simply called Saxons or the English, were a Cultural identity, cultural group who spoke Old English and inhabited much of what is now England and south-eastern Scotland in the Early Middle Ages. They traced t ...
s, it was known as
Winterfylleth Winterfylleth (Ƿinterfylleþ) was the Anglo-Saxon or Old English name for the month of October. It marked and celebrated the beginning of winter. The name of the month was recorded by Bede thus: See also * Anglo-Saxon * Germanic calendar * ...
(Ƿinterfylleþ), because at this full moon, winter was supposed to begin. October is commonly associated with the season of
autumn Autumn, also known as fall (especially in US & Canada), is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March ( Southern Hemisphe ...
in parts of the
Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the equator. For other planets in the Solar System, north is defined by humans as being in the same celestial sphere, celestial hemisphere relative to the invariable plane of the Solar ...
, and spring in parts of the Southern Hemisphere, where it is the seasonal equivalent to
April April is the fourth month of the year in the Gregorian and Julian calendars. Its length is 30 days. April is commonly associated with the season of spring in the Northern Hemisphere, and autumn in the Southern Hemisphere, where it is the ...
in the Northern Hemisphere and vice versa.


Symbols

October's
birthstone A birthstone is a gemstone that represents a person's birth period, usually the month or zodiac sign. Birthstones are often worn as jewelry or a pendant necklace. History of birthstones Western custom The first-century historian Josephus bel ...
s are the
tourmaline Tourmaline ( ) is a crystalline silicate mineral, silicate mineral group in which boron is chemical compound, compounded with chemical element, elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. This gemstone comes in a ...
and
opal Opal is a hydrated amorphous form of silicon dioxide, silica (SiO2·''n''H2O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) physical structure, it is classified as a ...
. Its birth flower is the
calendula ''Calendula'' () is a genus of about 15–20 species''Calendula''.
Flora of China.
. The
zodiac The zodiac is a belt-shaped region of the sky that extends approximately 8° north and south celestial latitude of the ecliptic – the apparent path of the Sun across the celestial sphere over the course of the year. Within this zodiac ...
signs are
Libra Libra generally refers to: * Libra (constellation), a constellation * Libra (astrology), an astrological sign based on the star constellation Libra may also refer to: Arts and entertainment * ''Libra'' (novel), a 1988 novel by Don DeLillo Musi ...
(until October 22) and Scorpio (from October 23 onward).. Signs in UT/GMT for 1950–2030.


Observances

''This list does not necessarily imply either official status or general observance.''


Non-Gregorian: dates

(All Baha'i, Islamic, and Jewish observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted.) *
List of observances set by the Bahá'í calendar A list is a set of discrete items of information collected and set forth in some format for utility, entertainment, or other purposes. A list may be memorialized in any number of ways, including existing only in the mind of the list-maker, bu ...
*
List of observances set by the Chinese calendar The traditional Chinese holidays are an essential part of harvests or prayer offerings. The most important Chinese holiday is the Chinese New Year (Spring Festival), which is also celebrated in overseas ethnic Chinese communities (for example in ...
*
List of observances set by the Hebrew calendar All observances begin at sunset the day prior to the Gregorian date listed unless otherwise noted, and end on nightfall of the date in question, which is defined as the appearance of three stars in the sky. On leap years (which occur every 2–3 ...
*
List of observances set by the Islamic calendar All Islamic calendar, Islamic observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted. Holidays for 1441 (2019-2020) {, class="wikitable" !width=20%, Date on Islamic Calenda ...
*
List of observances set by the Solar Hijri calendar Dates in this table are determined by when the March Equinox falls. It will fall on March 20 from 2018 to 2023. {, class="wikitable" , - style="background:#efefef;" ! Holiday date !!Holiday name !! Description !!March equinox on March 19 !!M ...


Month-long

*
Black History Month Black History Month is an annually observed commemorative month originating in the United States, where it is also known as African-American History Month. It began as a way of remembering important people and events in the history of the Af ...
in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
*In
Catholic Church The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
tradition, October is the Month of the Holy Rosary. *
Breast Cancer Awareness Month Breast Cancer Awareness Month (BCAM), also referred to in the United States as National Breast Cancer Awareness Month (NBCAM), is an annual international health campaign organized by major breast cancer charities every October to increase aware ...
* Health Literacy Month * International Walk to School Month * Medical Ultrasound Awareness Month *
Rett Syndrome Rett syndrome (RTT) is a genetic disorder that typically becomes apparent after 6–18 months of age and almost exclusively in girls. Symptoms include impairments in language and coordination, and repetitive movements. Those affected often h ...
Awareness Month * World Blindness Awareness Month * World Menopause Month * Vegetarian Awareness Month


United States

The last two to three weeks in October (and, occasionally, the first week of November) are normally the only time of the year during which all of the "Big Four" major professional sports leagues in the U.S. and Canada schedule games; the
National Basketball Association The National Basketball Association (NBA) is a professional basketball league in North America composed of 30 teams (29 in the United States and 1 in Canada). The NBA is one of the major professional sports leagues in the United States and Ca ...
begins its preseason and about two weeks later starts the regular season, the
National Hockey League The National Hockey League (NHL; , ''LNH'') is a professional ice hockey league in North America composed of 32 teams25 in the United States and 7 in Canada. The NHL is one of the major professional sports leagues in the United States and Cana ...
is in the first month of its regular season, the
National Football League The National Football League (NFL) is a Professional gridiron football, professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National ...
is about halfway through its regular season, and
Major League Baseball Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...
is in its postseason with the
League Championship Series The League Championship Series (LCS) is the semifinal round of postseason play in Major League Baseball which has been conducted since 1969. In 1981, and since 1995, the two annual series have matched up the winners of the Division Series, ...
and
World Series The World Series is the annual championship series of Major League Baseball (MLB). It has been contested since between the champion teams of the American League (AL) and the National League (NL). The winning team, determined through a best- ...
. Days on which all four leagues play are colloquially known as a
sports equinox Major professional sports leagues in the United States and Canada traditionally include four leagues: Major League Baseball (MLB), the National Basketball Association (NBA), the National Football League (NFL), and the National Hockey League (NHL) ...
. *American Archives Month *National Adopt a Shelter Dog Month * National Arts & Humanities Month *National Bullying Prevention Month * National Cyber Security Awareness Month * National Domestic Violence Awareness Month *
Filipino American History Month Filipino American History Month (FAHM) is celebrated in the United States during the month of October. In 1991, Filipino American National Historical Society (FANHS) board of trustees proposed the first annual Filipino American History Month to ...
* Italian-American Heritage and Culture Month * Polish American Heritage Month * National Work and Family Month


= United States, health-related

= * American Pharmacist Month *Celebrating All of October Dwarfism/Little People/Short Stature/Skeletal Dysplasia Awareness *Dwarfism/Little People Awareness Month *Eczema Awareness Month * National
Dental Hygiene Oral hygiene is the practice of keeping one's oral cavity clean and free of disease and other problems (e.g. bad breath) by regular brushing of the teeth (dental hygiene) and adopting good hygiene habits. It is important that oral hygiene be carr ...
Month * National Healthy Lung Month * National
Infertility In biology, infertility is the inability of a male and female organism to Sexual reproduction, reproduce. It is usually not the natural state of a healthy organism that has reached sexual maturity, so children who have not undergone puberty, whi ...
Awareness Month * Liver Awareness Month * National
Lupus Erythematosus is a collection of autoimmune diseases in which the human immune system becomes hyperactive and attacks healthy tissues. Symptoms of these diseases can affect many different body systems, including joints, skin, kidneys, blood cells, heart, ...
Awareness Month * National
Physical Therapy Physical therapy (PT), also known as physiotherapy, is a healthcare profession, as well as the care provided by physical therapists who promote, maintain, or restore health through patient education, physical intervention, disease preventio ...
Month * National
Spina Bifida Spina bifida (SB; ; Latin for 'split spine') is a birth defect in which there is incomplete closing of the vertebral column, spine and the meninges, membranes around the spinal cord during embryonic development, early development in pregnancy. T ...
Awareness Month *
Sudden Infant Death Syndrome Sudden infant death syndrome (SIDS), sometimes known as cot death or crib death, is the sudden unexplained death of a child of less than one year of age. Diagnosis requires that the death remain unexplained even after a thorough autopsy and ...
Awareness Month (United States)


= United States, culinary

= * National Pizza Month * National
Popcorn Popcorn (also called popped corn, popcorns, or pop-corn) is a variety of corn kernel which expands and puffs up when heated. The term also refers to the snack food produced by the expansion. It is one of the oldest snacks, with evidence of p ...
Poppin' Month * National Pork Month * National Seafood Month


Movable dates

*
Oktoberfest celebrations The Oktoberfest is a two-week festival held each year in Munich, Germany during late September and early October. It is attended by six million people each year and has inspired numerous similar events using the name ''Oktoberfest'' in Germany ...
(varies globally based on area) *
Astronomy Day Astronomy Day is an annual event in various countries, intended to provide a means of interaction between the general public and various astronomy enthusiasts, groups and professionals. History This event was started in 1973 by Doug Berger, t ...
: October 1 * World Cerebral Palsy Day: October 6 * World College Radio Day: October 7 * Earth Science Week: October 9–15 *See also
Movable Western Christian observances {{Update, date=February 2023 This is a list of Moveable feast, movable observances within Western Christianity. It includes secular observances which are calculated by religious observances. ''This list does not necessarily imply either official ...
*See also
Movable Eastern Christian observances This is a chronological list of moveable Eastern Christian observances. Most of these are calculated by the date of Easter, Pascha. It includes secular observances which are calculated by religious observances. ''This list does not necessarily im ...


First Sunday

*
Daylight saving time Daylight saving time (DST), also referred to as daylight savings time, daylight time (Daylight saving time in the United States, United States and Daylight saving time in Canada, Canada), or summer time (British Summer Time, United Kingdom, ...
begins (
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
) *
Father's Day Father's Day is a day set aside for honoring one's father, as well as fatherhood, paternal bonds, and the influence of fathers in society. "Father's Day" complements similar celebrations honoring family members, such as Mother's Day and, in som ...
(
Luxembourg Luxembourg, officially the Grand Duchy of Luxembourg, is a landlocked country in Western Europe. It is bordered by Belgium to the west and north, Germany to the east, and France on the south. Its capital and most populous city, Luxembour ...
) * Grandparents Day (
Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
,
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
) *
Teachers' Day Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...
(
Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...
,
Latvia Latvia, officially the Republic of Latvia, is a country in the Baltic region of Northern Europe. It is one of the three Baltic states, along with Estonia to the north and Lithuania to the south. It borders Russia to the east and Belarus to t ...
,
Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
)


First Monday

* Child Health Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) *
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...
,
Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
) *
Labour Day Labour Day is an annual day of celebration of the labour movement and its labor rights, achievements. It has its origins in the trade union, labour union movement, specifically the Eight-hour day movement, eight-hour day movement, which advoca ...
(
Australian Capital Territory The Australian Capital Territory (ACT), known as the Federal Capital Territory until 1938, is an internal States and territories of Australia, territory of Australia. Canberra, the capital city of Australia, is situated within the territory, an ...
,
New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...
,
South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part of Australia. With a total land area of , it is the fourth-largest of Australia's states and territories by area, which in ...
,
Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
,
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
) * Peat Cutting Monday (
Falkland Islands The Falkland Islands (; ), commonly referred to as The Falklands, is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and from Cape Dub ...
) *
Thanksgiving Thanksgiving is a national holiday celebrated on various dates in October and November in the United States, Canada, Saint Lucia, Liberia, and unofficially in countries like Brazil and Germany. It is also observed in the Australian territory ...
(
Saint Lucia Saint Lucia is an island country of the West Indies in the eastern Caribbean. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent (Saint Vincent and the Grenadines), Saint Vincent ...
) * World Architecture Day *
World Habitat Day World Habitat Day is marked on the first Monday of October each year, and is recognized by the United Nations to reflect on the state of towns and cities, and on the basic right of all to adequate shelter. The day is also intended to remind the w ...


First Tuesday

*
National Night Out National Night Out is a community policing awareness-raising event in the United States, held the first Tuesday of August. Texas celebrates on the first Tuesday in October. History National Night Out was established by Matt Peskin in the wester ...
(
Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...
and
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
)


First Wednesday

*
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...
)


First Thursday

*
National Poetry Day National Poetry Day is a British campaign to promote poetry, including public performances. Annually, on the first Thursday of October, events, readings and performances take place across the UK. National Poetry Day was founded in 1994 by Wil ...
(UK, Ireland)


First Friday

*
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
) *
Lee National Denim Day Lee National Denim Day is a fundraiser created by Lee Jeans to support the women's cancer programs of the Entertainment Industry Foundation. Every year, people are asked to donate the money they would spend on a pair of jeans to support breast c ...
(
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) * World Smile Day


First full week

*
Albuquerque International Balloon Fiesta The Albuquerque International Balloon Fiesta is a yearly hot air balloon festival that takes place in Albuquerque, New Mexico, during early October. The Balloon Fiesta is a nine-day event occurring in the first full week of October, and has ov ...
(
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) *
Mental Illness Awareness Week Mental Illness Awareness Week (MIAW) was established in the U.S. in 1990 recognition of efforts by the National Alliance on Mental Illness (NAMI) to educate and increase awareness about mental illness. It takes place every year during the first ful ...
(
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
)


Second Sunday

*
National Grandparents Day Grandparents' Day or National Grandparents' Day is a secular holiday celebrated in various countries; it is celebrated to show the bond between grandparents and grandchildren. It occurs on various days of the year, either as one holiday or someti ...
(
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
,
Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...
)


Second Monday

*
Columbus Day Columbus Day is a national holiday in many countries of the Americas and elsewhere, and a federal holiday in the United States, which officially celebrates the anniversary of Christopher Columbus's arrival in the Americas. He went ashore at ...
(
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) **
Indigenous Peoples' Day Indigenous Peoples' Day may refer to: * International Day of the World's Indigenous Peoples, a United Nations event recognised as a public holiday in various countries observed annually on 9 August * Indigenous Peoples' Day (United States) Indi ...
(Parts of the United States) ** Native American Day (
South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state, state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Dakota people, Dakota Sioux ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) *
Fraternal Day Fraternal Day is a legal holiday in the state of Alabama in the United States. It is celebrated annually on the second Monday in October on the same day as Columbus Day and American Indian Heritage Day. Fraternal Day was originally celebrated in ...
(
Alabama Alabama ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South, Deep Southern regions of the United States. It borders Tennessee to the north, Georgia (U.S. state), Georgia to the east, Florida and the Gu ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) *
Health and Sports Day , formerly , is a public holiday in Japan held annually on the second Monday in October. It commemorates the opening of the 1964 Summer Olympics held in Tokyo, and exists to promote sports and an active lifestyle. History and current practice ...
(
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
) *
Mother's Day Mother's Day is a celebration honoring the mother of the family or individual, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on different days in many parts of the world, most commonly in Mar ...
(
Malawi Malawi, officially the Republic of Malawi, is a landlocked country in Southeastern Africa. It is bordered by Zambia to the west, Tanzania to the north and northeast, and Mozambique to the east, south, and southwest. Malawi spans over and ...
) * Norfolk Island Agricultural Show Day (
Norfolk Island Norfolk Island ( , ; ) is an States and territories of Australia, external territory of Australia located in the Pacific Ocean between New Zealand and New Caledonia, directly east of Australia's Evans Head, New South Wales, Evans Head and a ...
) *
Thanksgiving (Canada) Thanksgiving () or Thanksgiving Day (), is an annual Canadian holiday held on the second Monday in October. Outside the country, it may be referred to as Canadian Thanksgiving to distinguish it from the American holiday of the same name and ...
* National Day (
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
)


Second Tuesday

*
Ada Lovelace Day Ada Lovelace Day is an annual event held on the second Tuesday of October to celebrate and raise awareness of the contributions of women to STEM fields. It is named after mathematician and computer science pioneer Ada Lovelace. It started in 200 ...


Second Wednesday

* Policy Statement of Belgian Parliament (
Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...
)


Wednesday of second full week in October

* National Fossil Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
)


Second Thursday

* World Sight Day


Second Friday

*
Arbor Day Arbor Day (or Arbour Day in some countries) is a Secularity, secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date v ...
(
Namibia Namibia, officially the Republic of Namibia, is a country on the west coast of Southern Africa. Its borders include the Atlantic Ocean to the west, Angola and Zambia to the north, Botswana to the east and South Africa to the south; in the no ...
) *
World Egg Day The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plu ...


Second Saturday

* International Migratory Bird Day (
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
, Central and
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
, and the
Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...
) * Home Movie Day (
International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Christian holidays *Christmas (Nativity of Jesus, Nativity of Jesus Christ, the beginning of Christmastide) *Solemnity of Mary, Mother ...
) * National Tree Planting Day (
Mongolia Mongolia is a landlocked country in East Asia, bordered by Russia to the north and China to the south and southeast. It covers an area of , with a population of 3.5 million, making it the world's List of countries and dependencies by po ...
)


Week of October 10

*
Fiji Week Fiji Week is a week of festivities culminating in Fiji Day on 10 October (the anniversary of Fiji's independence from British colonial rule in 1970) annually. A different theme is chosen every year, but common elements include religious ceremonies ...
(
Fiji Fiji, officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists of an archipelago of more than 330 islands—of which about ...
)


Second Week of October

*
Fire Prevention Week Fire Prevention Week is a nationally observed week in the United States and Canada from the Sunday to Saturday in which October 9 falls. In the United States, the first Presidential Proclamation of the week was made in 1925 by Calvin Coolidge. ...
(
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) ** Fire Service Recognition Day (
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
), last day of Fire Prevention Week:


Third Sunday

*
Teacher's Day Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries c ...
(
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
) *
Mother's Day Mother's Day is a celebration honoring the mother of the family or individual, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on different days in many parts of the world, most commonly in Mar ...
(
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
)


Third Monday

*
Heroes' Day Heroes' Day or National Heroes' Day may refer to a number of commemorations of national heroes in different countries and territories. It is often held on the birthday of a national hero or heroine, or the anniversary of their great deeds that ...
(
Jamaica Jamaica is an island country in the Caribbean Sea and the West Indies. At , it is the third-largest island—after Cuba and Hispaniola—of the Greater Antilles and the Caribbean. Jamaica lies about south of Cuba, west of Hispaniola (the is ...
) *
Mother's Day Mother's Day is a celebration honoring the mother of the family or individual, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on different days in many parts of the world, most commonly in Mar ...
(
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
) * Nanomonestotse ( Native American communities) *
Boss's Day Boss's Day (also written Bosses Day or Boss' Day) is generally observed on October 16 in the United States. It has been pitched as a day for employees to thank their bosses for being kind and fair throughout the year. It has been described as a H ...
(United States, Canada, Lithuania and Romania)


Third Thursday

* International Credit Union Day


Third Saturday

* Sweetest Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
)


Fourth Monday

*
Labour Day Labour Day is an annual day of celebration of the labour movement and its labor rights, achievements. It has its origins in the trade union, labour union movement, specifically the Eight-hour day movement, eight-hour day movement, which advoca ...
(
New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
)


Fourth Wednesday

*
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
)


Fourth Friday

* Global Champagne Day


Fourth Saturday

*
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
Malaysia Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and thre ...
) * Make a Difference Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
)


Week of Fourth Wednesday

* Children's Week (
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
)


Last Monday

* October Holiday (
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
)


Last Friday

* National Bandanna Day (
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
) * Nevada Day (
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) (though the state was actually admitted on October 31, 1864) *
Teacher's Day Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries c ...
(
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
) (If the last Friday is on October 31, this holiday is moved to November 7)


Last Sunday

*
European Summer Time Summer time in Europe is the variation of standard clock time that is applied in most European countries (apart from Iceland, Belarus, Turkey and Russia) in the period between spring and autumn, during which clocks are advanced by one hour from t ...
ends * Grandparents Day (
New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...
,
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
) * Székely Autonomy Day (
Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...
)


Fixed

*
October 1 Events Pre-1600 * 331 BC – Alexander the Great defeats Darius III of Persia in the Battle of Gaugamela. * 366 – Pope Damasus I is consecrated. * 959 – Edgar the Peaceful becomes king of all England, in succession to E ...
** Armed Forces Day (South Korea) **
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
El Salvador El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is S ...
,
Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...
,
Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
) ** Day of Prosecutors (
Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...
) **Continuance of German-American Heritage Months, which runs from September 15 – October 15 (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) **Continuance of
National Hispanic Heritage Month National Hispanic Heritage Month ( Spanish: ''Mes nacional de la herencia hispana'') is annually observed from September 15 to October 15 in the United States for recognizing the contributions and influence of Hispanic culture to the nation's achi ...
which runs from September 15 – October 15 (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
), ** Ground Forces Day (
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
) **
Independence Day (Cyprus) The Independence Day of Cyprus () is a national holiday observed by The Republic of Cyprus on 1 October every year. The day celebrates the independence of Cyprus from British rule on 16 August 1960, which was guaranteed by Greece, Turkey and the ...
**
Independence Day (Nigeria) Nigeria's Independence Day is a public holiday observed annually on 1 October to commemorate the country's declaration of independence from British rule in 1960. It marked the end of over sixty years of colonial governance and the emergence of ...
** Independence Day (Palau) **
Independence Day (Tuvalu) The following are public holiday, holidays in Tuvalu. Also, the regions observe the following regional holidays: References

{{Tuvalu topics Lists of public holidays by country, Tuvalu Tuvalu-related lists, Holidays Law of Tuvalu Even ...
**
International Coffee Day International Coffee Day (1 October) is an occasion that is used to promote and celebrate coffee as a beverage, with events now occurring in places around the world. The first official date was 3 October 2015, as agreed by then International C ...
**
International Day of Older Persons The International Day of Older People is observed on October 1 each year. On December 14, 1990, the United Nations General Assembly voted to establish October 1 as the International Day of Older People as recorded in Resolution 45/106. The h ...
**
International Music Day International Music Day is observed on October 1, a date established by International Music Council in 1975 to celebrate the diverse expressions and global significance of music. This day pays tribute to musicians and the various musical styles tha ...
** Lincolnshire Day (
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
) **
National Day of the People's Republic of China National Day ( zh, s=国庆节, t=, p=guóqìng jié, l=national celebration day, links=yes), officially the National Day of the People's Republic of China (), is a public holiday in China celebrated annually on 1 October as the national da ...
(
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
) ** Pancasila Sanctity Day (
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
) **
Teacher's Day (Uzbekistan) Public holidays in Uzbekistan: Fixed date Variable date *End of Ramadan, Eid al-Fitr, Ramazon Hayit *Feast of Sacrifice, Eid al-Adha, Qurbon Hayit See also * Portal: Uzbekistan References

Public holidays in Uzbekistan, Culture o ...
** Unification Day (Cameroon) ** World Vegetarian Day *
October 2 Events Pre-1600 * 829 – Theophilos succeeds his father Michael II as Byzantine Emperor. * 939 – Battle of Andernach: Otto I, Holy Roman Emperor, crushes a rebellion against his rule, by a coalition of Eberhard of Franconia an ...
** Batik Day (
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
) ** Feast of the Guardian Angels ***
National Grandparents Day Grandparents' Day or National Grandparents' Day is a secular holiday celebrated in various countries; it is celebrated to show the bond between grandparents and grandchildren. It occurs on various days of the year, either as one holiday or someti ...
(
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
) **
Gandhi Mohandas Karamchand Gandhi (2October 186930January 1948) was an Indian lawyer, anti-colonial nationalist, and political ethicist who employed nonviolent resistance to lead the successful campaign for India's independence from British ...
's birthday-related observances: ***
Gandhi Jayanti Gandhi Jayanti is a national holiday in India, celebrated annually on 2 October to honour the birth of Mahatma Gandhi, one of the key leaders of the Indian independence movement and a pioneer of the philosophy and strategy of nonviolence. It ...
(
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
) *** International Day of Non-Violence *** World Day for Farmed Animals ** Independence Day (Guinea) *
October 3 Events Pre-1600 * 2457 BC – Gaecheonjeol, Hwanung (환웅) purportedly descended from heaven. South Korea's National Foundation Day. * 52 BC – Gallic Wars: Vercingetorix, leader of the Gauls, surrenders to the Romans under Julius ...
**
Gaecheonjeol Gaecheonjeol () is a public holiday in South Korea on 3 October. Also known by the English name National Foundation Day, this holiday celebrates the legendary formation of the first Korean state of Gojoseon by legendary king Dangun in 2333 ...
(
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
) **
German Unity Day German Unity Day (, ) is the national day of Germany, celebrated on 3 October as a public holiday. It commemorates German Reunification in 1990 when the German Democratic Republic (East Germany) joined the Federal Republic of Germany (West Ger ...
(
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
) ** National Day (Iraq) ** Morazán Day (
Honduras Honduras, officially the Republic of Honduras, is a country in Central America. It is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Ocean at the Gulf of Fonseca, ...
) *
October 4 Events Pre-1600 *AD 23 – Rebels sack the Chinese capital Chang'an during a peasant rebellion. * 1209 – Otto IV is crowned Emperor of the Holy Roman Empire by Pope Innocent III. * 1302 – The Byzantine–Venetian War comes ...
** Feast of
Saint Francis of Assisi Giovanni di Pietro di Bernardone ( 1181 – 3 October 1226), known as Francis of Assisi, was an Italian mystic, poet and Catholic friar who founded the religious order of the Franciscans. Inspired to lead a Christian life of poverty, he ...
**
Cinnamon Roll Day Cinnamon Roll Day or Cinnamon Bun Day (, ) falls on 4 October each year. It is an annual theme day created for marketing purposes in Sweden and Finland that was instituted in 1999 by Kaeth Gardestedt. At the time, she was a project manager for H ...
(
Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
) ** Day of Peace and Reconciliation (
Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...
) **
Independence Day (Lesotho) This is a list of holidays in Lesotho. *January 1: New Year's Day *March 11: Moshoeshoe's Day *March 29: Good Friday *April 1: Easter Monday *May 1: Workers' Day *May 9: Ascension Day *May 25: Africa Day *July 17: King's Birthday *October 4: Ind ...
**
World Animal Day World Animal Day is an list of minor secular observances#October, international day of action for animal rights and animal welfare, welfare celebrated annually on October 4, the Calendar of saints, feast day of Francis of Assisi, the patron sain ...
**The beginning of World Space Week (October 4–10) *
October 5 Events Pre-1600 * 610 – Heraclius arrives at Constantinople, kills Byzantine Emperor Phocas, and becomes emperor. * 816 – King Louis the Pious is crowned emperor of the Holy Roman Empire by the Pope. * 869 – The Fourth Co ...
**
Armed Forces Day An Armed Forces Day, alongside its Military branch, branch-specific variants often referred to as Army or Soldier's Day, Navy or Sailor's Day, and Air Force or Aviator's Day, is a holiday dedicated to honoring the Military, armed forces, o ...
(
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
) ** Constitution Day (Vanuatu) **
Engineer's Day Engineer's Day is observed in several countries on various dates of the year. Country-wise list See also *UNESCO World Engineering Day for Sustainable Development References External links

* *{{cite web, url=http://calendar.ut.ac.ir/, ...
(
Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...
) ** International Day of No Prostitution ** Republic Day (Portugal) **
Teachers' Day (Pakistan) Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...
** Teachers' Day (Russia) **
World Teachers' Day World Teachers' Day is an international day held annually on 5 October to celebrate the work of teachers. Established in 1994, it commemorates the signing of recommendation by the International Labour Organization (ILO) and the United Nations ...
*
October 6 Events Pre-1600 * 105 BC – Cimbrian War: Defeat at the Battle of Arausio of the Roman army of the mid-Republic * 69 BC – Third Mithridatic War: The military of the Roman Republic subdue Armenia. * AD 23 – Rebels decapitat ...
** Day of Commemoration and National Mourning (
Turkmenistan Turkmenistan is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ash ...
) ** Dukla Pass Victims Day (
Slovakia Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the west, and the Czech Republic to the northwest. Slovakia's m ...
) ** German-American Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) ** Memorial Day for the Martyrs of Arad (
Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...
) ** National Noodle Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) **
Teachers' Day Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...
(
Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
) **
Yom Kippur War The Yom Kippur War, also known as the Ramadan War, the October War, the 1973 Arab–Israeli War, or the Fourth Arab–Israeli War, was fought from 6 to 25 October 1973 between Israel and a coalition of Arab world, Arab states led by Egypt and S ...
commemorations: ***
Armed Forces Day (Egypt) An Armed Forces Day, alongside its Military branch, branch-specific variants often referred to as Army or Soldier's Day, Navy or Sailor's Day, and Air Force or Aviator's Day, is a holiday dedicated to honoring the Military, armed forces, o ...
*** Tishreen Liberation Day (
Syria Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...
) *
October 7 Events Pre-1600 * 3761 BC – The epoch reference date (start) of the modern Hebrew calendar. * 1403 – Venetian–Genoese wars: The Genoese fleet under a French admiral is defeated by a Venetian fleet at the Battle of Modon. * 1477 ...
**
Our Lady of the Rosary Our Lady of the Rosary (), also known as Our Lady of the Holy Rosary, is a Titles of Mary, Marian title. The Feast of Our Lady of the Rosary, formerly known as Feast of Our Lady of Victory and Feast of the Holy Rosary is celebrated on 7 October ...
** International Trigeminal Neuralgia Awareness Day **
Teachers' Day Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...
(
Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...
) *
October 8 Events Pre-1600 * 316 – Constantine I Battle of Cibalae, defeats Roman Emperor Licinius, who loses his European territories. * 451 – The first session of the Council of Chalcedon begins. * 876 – Frankish forces led by Louis ...
**
Air Force Day Air Force Day or Day of the Air Force is observed by several nations with an armed forces as a military holiday to recognize their country's air force. These holidays often hold the same status as any military's Armed Forces Day. By country A ...
(
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
) **
Arbor Day Arbor Day (or Arbour Day in some countries) is a Secularity, secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date v ...
(
Namibia Namibia, officially the Republic of Namibia, is a country on the west coast of Southern Africa. Its borders include the Atlantic Ocean to the west, Angola and Zambia to the north, Botswana to the east and South Africa to the south; in the no ...
) **
National Independence Day Independence Day () is a national day in Poland celebrated on to commemorate the anniversary of the restoration of Poland's sovereignty as the Second Polish Republic in 1918 from the German, Austro-Hungarian and Russian Empires. Following the ...
(
Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...
) **
Navy Day Several nations observe or have observed a Navy Day to recognize their navy. By country Argentina The Argentine Navy day is celebrated on May 17, anniversary of the victory achieved in 1814 against the Spanish fleet in the action of 14 ...
(
Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
) *
October 9 Events Pre-1600 * 768 – Carloman I and Charlemagne are crowned kings of the Franks. * 1238 – James I of Aragon founds the Kingdom of Valencia. * 1410 – The first known mention of the Prague astronomical clock. * 1446 &ndash ...
** Hangul Day (South Korea) ** Independence Day (Uganda) **
Independence of Guayaquil The national public holidays in Ecuador include: The anniversary of the annexation of the Galapagos Islands and Charles Darwin's birthday are also celebrated on February 12 as Galapagos Day ( or ). This is sometimes described on the mainland ...
(Ecuador) **
Leif Erikson Day Leif Erikson Day is an annual observance that occurs on October 9. It honors Leif Erikson (Old Norse: ''Leifr Eiríksson''), the Norse explorer who, in approximately 1000 CE, led the first Europeans believed to have set foot on the continent ...
(United States, Iceland and Norway) ** National Day of Commemorating the Holocaust (Romania) ** Takayama Autumn Festival ( Takayama, Japan) ** World Post Day **
Valencian Community Day 9 d'Octubre (English: October 9th) is a historical celebration in the Valencian Community, the official day of the Valencian Autonomous Community since its recognition as an Autonomus Community of Spain. It commemorates the conquest of the ...
(Spain) *
October 10 Events Pre-1600 * 19 – The Roman general Germanicus dies near Antioch. He was convinced that the mysterious illness that ended in his death was a result of poisoning by the Syrian governor Gnaeus Calpurnius Piso, whom he had ordered to ...
**
Arbor Day Arbor Day (or Arbour Day in some countries) is a Secularity, secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date v ...
(
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...
) ** Capital Liberation Day (Vietnam) **
Double Ten Day The National Day of the Republic of China, also referred to as Double Ten Day or Double Tenth Day, is a Public holidays in Taiwan, public holiday on 10 October, now held annually as national day in the Taiwan, Republic of China (ROC, commonly ...
(Taiwan) ** Fiji Day (Fiji) ** Finnish Literature Day (Finland) **
Independence Day (Cuba) The Cry of Yara () was a declaration, battle cry, and uprising in eastern Cuba on 10 October 1868, initiating the Ten Years' War. The signaling of the Yara uprising occurred near Manzanillo in the eastern province of Oriente, at the sugar plan ...
**
Party Foundation Day The Party Foundation Day () is an annual Public holidays in North Korea, public holiday in North Korea marking the 10 October 1945 foundation of the "Central Organizing Committee of the Communist Party of North Korea" (북조선공산당중앙� ...
(North Korea) **
World Mental Health Day World Mental Health Day (10 October) is an List of minor secular observances#October, international day for global mental health education, awareness and advocacy against social stigma. It was first celebrated in 1992 at the initiative of the W ...
*
October 11 Events Pre-1600 *1138 – A massive earthquake strikes Aleppo; it is one of the most destructive earthquakes ever. * 1142 – A peace treaty ends the Jin–Song wars. *1311 – The peerage and clergy restrict the authority of En ...
** General Pulaski Memorial Day (United States) **
International Day of the Girl Child International Day of the Girl Child is an international observance day declared by the United Nations; it is also called the Day of Girls and the International Day of the Girl. October 11, 2012, was the first Day of the Girl Child. The observat ...
** International Newspaper Carrier Day **
National Coming Out Day National Coming Out Day (NCOD) is an annual LGBT awareness day observed on October 11 to support anyone "coming out of the closet". First celebrated in the United States in 1988, the initial idea was grounded in the feminist and gay liberation s ...
(multinational, including United States, United Kingdom and Switzerland among others) ** Old Michaelmas Day (
Celtic Celtic, Celtics or Keltic may refer to: Language and ethnicity *pertaining to Celts, a collection of Indo-European peoples in Europe and Anatolia **Celts (modern) *Celtic languages **Proto-Celtic language *Celtic music *Celtic nations Sports Foot ...
) ** Revolution Day (North Macedonia) *
October 12 Events Pre-1600 *539 BC – The army of Cyrus the Great of Persia Fall of Babylon, conquer Babylon, ending the Babylonian empire. (Julian calendar) * 633 – Battle of Hatfield Chase: King Edwin of Northumbria is defeated and killed b ...
**
Children's Day Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...
(
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
) **Discovery of America by Columbus-related observances (''see also
October 8 Events Pre-1600 * 316 – Constantine I Battle of Cibalae, defeats Roman Emperor Licinius, who loses his European territories. * 451 – The first session of the Council of Chalcedon begins. * 876 – Frankish forces led by Louis ...
''): *** Columbus Day (United States, Honduras) ***
Día de la Hispanidad Columbus Day is a national holiday in many countries of the Americas and elsewhere, and a federal holiday in the United States, which officially celebrates the anniversary of Christopher Columbus's arrival in the Americas. He went ashore at ...
or Fiesta Nacional de España, also
Armed Forces Day An Armed Forces Day, alongside its Military branch, branch-specific variants often referred to as Army or Soldier's Day, Navy or Sailor's Day, and Air Force or Aviator's Day, is a holiday dedicated to honoring the Military, armed forces, o ...
(Spain) *** Día de la Raza (
El Salvador El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is S ...
,
Uruguay Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...
) *** Día de la Resistencia Indígena, "Day of Indigenous Resistance" (
Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...
) *** Día de las Américas (
Belize Belize is a country on the north-eastern coast of Central America. It is bordered by Mexico to the north, the Caribbean Sea to the east, and Guatemala to the west and south. It also shares a maritime boundary with Honduras to the southeast. P ...
) ***
Día de las Culturas Columbus Day is a national holiday in many countries of the Americas and elsewhere, and a federal holiday in the United States, which officially celebrates the anniversary of Christopher Columbus's arrival in the Americas. He went ashore at ...
, "Day of the Cultures" (
Costa Rica Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime bo ...
) ***
Día del Respeto a la Diversidad Cultural The following are the national public holidays and other observances of Argentina. Though holidays of many faiths are respected, public holidays usually include most Catholic based holidays. Historic holidays include the celebration of the May Re ...
, "Day of respect for cultural diversity" (
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
) **
Discovery Day Discovery Day is the name of several holidays commemorating the discovery of land, gold, and other significant national discoveries. The Bahamas The Bahamas Discovery Day was a public holiday on October 12, that celebrated the arrival of Christop ...
(
The Bahamas The Bahamas, officially the Commonwealth of The Bahamas, is an Archipelagic state, archipelagic and island country within the Lucayan Archipelago of the Atlantic Ocean. It contains 97 per cent of the archipelago's land area and 88 per cent of ...
,
Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...
) ** Feast for Life of
Aleister Crowley Aleister Crowley ( ; born Edward Alexander Crowley; 12 October 1875 – 1 December 1947) was an English occultist, ceremonial magician, poet, novelist, mountaineer, and painter. He founded the religion of Thelema, identifying himself as the pr ...
, celebrated as "Crowleymas" (
Thelema Thelema () is a Western esotericism, Western esoteric and occult social or spiritual philosophy and a new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial ma ...
) ** Fiesta Nacional de España (Spain) ** Freethought Day ** Independence Day (Equatorial Guinea), celebrates the independence of
Equatorial Guinea Equatorial Guinea, officially the Republic of Equatorial Guinea, is a country on the west coast of Central Africa. It has an area of . Formerly the colony of Spanish Guinea, its post-independence name refers to its location both near the Equ ...
from Spain in 1968. ** UN Spanish Language Day (
United Nations The United Nations (UN) is the Earth, global intergovernmental organization established by the signing of the Charter of the United Nations, UN Charter on 26 June 1945 with the stated purpose of maintaining international peace and internationa ...
) *
October 13 Events Pre-1600 * 54 – Roman emperor Claudius dies from poisoning under mysterious circumstances. He is succeeded by his adoptive son Nero, rather than by Britannicus, his son with Messalina. * 409 – Vandals and Alans cross the ...
** Azerbaijani Railway Day (
Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...
) ** Doi taikomatsuri October 13–15 ( Shikokuchūō, Ehime, Japan) **
International Day for Natural Disaster Reduction International Day for Disaster Risk Reduction (IDDRR) is an international day that encourages every citizen and government to take part in building more disaster-resilient communities and nations. The United Nations General Assembly designated Oc ...
** National Police Day (Thailand) ** Paramedics' Day (Poland) ** Rwagasore Day (
Burundi Burundi, officially the Republic of Burundi, is a landlocked country in East Africa. It is located in the Great Rift Valley at the junction between the African Great Lakes region and Southeast Africa, with a population of over 14 million peop ...
) *
October 14 Events Pre-1600 *1066 – The Norman conquest of England begins with the Battle of Hastings. *1322 – Robert the Bruce of Scotland defeats King Edward II of England at the Battle of Old Byland, forcing Edward to accept Scotland's in ...
** World Standards Day *
October 15 Events Pre-1600 *1066 – Following the death of Harold II at the Battle of Hastings, Edgar the Ætheling is proclaimed King of England by the Witan; he is never crowned, and concedes power to William the Conqueror two months later. * 121 ...
** Breast Health Day (Europe) ** Evacuation Day (Tunisia) ** Global Handwashing Day ** King Father's Commemoration Day (Cambodia) **
National Latino AIDS Awareness Day National Latino AIDS Awareness Day (NLAAD) () takes place in the United States of America and its territories on October 15, the last day of National Hispanic Heritage Month, and aims to increase awareness of human immunodeficiency virus/acquired ...
(United States) **
Pregnancy and Infant Loss Remembrance Day Pregnancy and Infant Loss Remembrance Day is an annual day of remembrance observed on October 15 for pregnancy loss and infant death, which includes miscarriage, stillbirth, SIDS, ectopic pregnancy, termination for medical reasons, and the death ...
(United States and Canada) **
Spirit Day Spirit Day is an annual LGBTQ awareness day observed on the third Thursday in October. Started in 2010 by Canadian teenager Brittany McMillan, it was initially created in response to a rash of widely publicized bullying-related suicides of ga ...
(
International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Christian holidays *Christmas (Nativity of Jesus, Nativity of Jesus Christ, the beginning of Christmastide) *Solemnity of Mary, Mother ...
) **
Teachers' Day Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...
(Brazil) **
White Cane Safety Day alt=A long white cane, upA long white cane, the symbol of White Cane Safety Day White Cane Safety Day is a national observance in the United States, celebrated on October 15 of each year since 1964. The date is set aside to celebrate the achieve ...
(United States) *
October 16 Events Pre-1600 * 456 – Ricimer defeats Avitus at Piacenza and becomes master of the Western Roman Empire. * 690 – Empress Wu Zetian ascends to the throne of the Tang dynasty and proclaims herself ruler of the Chinese Empire. * ...
** World Food Day ** Pope John Paul II Day (Poland) ** World Anaesthesia Day *
October 17 Events Pre-1600 * 690 – Empress Wu Zetian establishes the Zhou Dynasty of China. * 1091 – London tornado of 1091: A tornado thought to be of strength T8/F4 strikes the heart of London. * 1346 – The English capture King D ...
** Dessalines Day (
Haiti Haiti, officially the Republic of Haiti, is a country on the island of Hispaniola in the Caribbean Sea, east of Cuba and Jamaica, and south of the Bahamas. It occupies the western three-eighths of the island, which it shares with the Dominican ...
) **
International Day for the Eradication of Poverty The International Day for the Eradication of Poverty is an international observance celebrated each year on October 17 throughout the world. The first commemoration, "World Day to Overcome Poverty" took place in Paris, France, in 1987 when 100,00 ...
**
Loyalty Day (Argentina) Loyalty Day () is a commemoration day in Argentina. It remembers 17 October 1945, when a large labour demonstration at the Plaza de Mayo, in downtown Buenos Aires, demanded the liberation of Juan Domingo Perón, who was jailed in Martín Garc ...
*
October 18 Events Pre-1600 * 33 – Heartbroken by the deaths of her sons Nero and Drusus, and banished to the island of Pandateria by Tiberius, Agrippina the Elder dies of self-inflicted starvation. * 320 – Pappus of Alexandria, Greek phil ...
** Feast of Saint Luke the Evangelist ** Alaska Day (
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
, United States) **
Day of Restoration of Independence (Azerbaijan) The Day of Restoration of Independence () is a state holiday in Azerbaijan. It is celebrated annually on October 18. On this day in 1991, the Supreme Soviet of Azerbaijan adopted a Constitutional Act on the Declaration of Independence of Azerbaij ...
** Necktie Day (Croatia) ** Persons Day (Canada) ** World Menopause Day *
October 19 Events Pre-1600 *202 BC – Second Punic War: At the Battle of Zama, Roman legions under Scipio Africanus defeat Hannibal Barca, leader of the army defending Carthage. * 439 – The Vandals, led by King Gaiseric, take Carthage in Nor ...
**
Constitution Day Constitution Day is a holiday to honour the constitution of a country. Constitution Day is often celebrated on the anniversary of the signing, promulgation or adoption of the constitution, or in some cases, to commemorate the change to constitut ...
(
Niue Niue is a self-governing island country in free association with New Zealand. It is situated in the South Pacific Ocean and is part of Polynesia, and predominantly inhabited by Polynesians. One of the world's largest coral islands, Niue is c ...
) ** Mother Teresa Day (
Albania Albania ( ; or ), officially the Republic of Albania (), is a country in Southeast Europe. It is located in the Balkans, on the Adriatic Sea, Adriatic and Ionian Seas within the Mediterranean Sea, and shares land borders with Montenegro to ...
) *
October 20 Events Pre-1600 *1568 – The Spanish Duke of Alba defeats a Dutch rebel force under William the Silent. * 1572 – Eighty Years' War: Three thousand Spanish soldiers wade through fifteen miles of water in one night to effect the r ...
**
Arbor Day Arbor Day (or Arbour Day in some countries) is a Secularity, secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date v ...
(Czech Republic) **
Heroes' Day (Kenya) Heroes' Day or National Heroes' Day may refer to a number of commemorations of national heroes in different countries and territories. It is often held on the birthday of a national hero or heroine, or the anniversary of their great deeds that ...
** Revolution Day (Guatemala) **
Vietnamese Women's Day Public holidays in Vietnam are days when workers get the day off work. Prior to 2007, Vietnamese workers observed 8 days of public holiday a year, among the lowest in the region. On 28 March 2007 the government added the traditional holiday comme ...
(Vietnam) **
World Osteoporosis Day World Osteoporosis Day is observed annually on 20 October, and launches a year-long campaign dedicated to raising global awareness of bone health, and of the prevention, diagnosis and treatment of osteoporosis and metabolic bone disease. Organize ...
**
World Statistics Day World Statistics Day is an international day to celebrate statistics. Created by the United Nations Statistical Commission, it was first celebrated on 20 October 2010. The day is celebrated every five years. , 103 countries celebrate a natio ...
*
October 21 Events Pre-1600 *1096 – A Seljuk Turkish army successfully fights off the People's Crusade at the Battle of Civetot. * 1097 – First Crusade: Crusaders led by Godfrey of Bouillon, Bohemund of Taranto, and Raymond IV, Count of Toul ...
** Apple Day (United Kingdom) **
Armed Forces Day An Armed Forces Day, alongside its Military branch, branch-specific variants often referred to as Army or Soldier's Day, Navy or Sailor's Day, and Air Force or Aviator's Day, is a holiday dedicated to honoring the Military, armed forces, o ...
(Honduras) ** Egyptian Naval Day (Egypt) ** Indian Police Commemoration Day (India) **
International Day of the Nacho Nachos are a Tex-Mex dish consisting of tortilla chips or ''totopos'' covered with cheese or chile con queso, as well as a variety of other toppings and garnishes, often including meats (such as ground beef or grilled chicken), vegetables (suc ...
** National Nurses' Day (Thailand) ** Ndadaye Day (Burundi) ** Overseas Chinese Day (Taiwan) **
Trafalgar Day Trafalgar Day is the celebration of the victory won by the Royal Navy, commanded by Vice-Admiral Horatio Nelson, over the combined French and Spanish fleets at the Battle of Trafalgar on 21 October 1805. History The formation of the Navy Le ...
(the
British Empire The British Empire comprised the dominions, Crown colony, colonies, protectorates, League of Nations mandate, mandates, and other Dependent territory, territories ruled or administered by the United Kingdom and its predecessor states. It bega ...
in the 19th and early 20th century) *
October 22 Events Pre-1600 * 451 – The Chalcedonian Creed, regarding the divine and human nature of Jesus, is adopted by the Council of Chalcedon, an ecumenical council. * 794 – Japanese Emperor Kanmu relocates his empire's capital to H ...
** Fechner Day (
International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Christian holidays *Christmas (Nativity of Jesus, Nativity of Jesus Christ, the beginning of Christmastide) *Solemnity of Mary, Mother ...
) ** International Caps Lock Day ** International Stuttering Awareness Day **
Jidai Matsuri The is a traditional Japanese festival (also called matsuri) held annually on October 22 in Kyoto, Japan. It is one of Kyoto's three major festivals, with the other two being the '' Aoi Matsuri'', held annually on May 15, and the '' Gion Matsu ...
(
Kyoto Kyoto ( or ; Japanese language, Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in the Kansai region of Japan's largest and most populous island of Honshu. , the city had a population of 1.46 million, making it t ...
,
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
) ** National Santri Day (
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
) ** Wombat Day (
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
) *
October 23 Events Pre-1600 * 4004 BC – James Ussher's purported creation date of the world according to the Bible. * 42 BC – Liberators' civil war: Mark Antony and Octavian decisively defeat an army under Brutus in the second part of the B ...
** Aviator's Day (Brazil) ** Chulalongkorn Day (Thailand) ** Day of the Macedonian Revolutionary Struggle (North Macedonia) **
Liberation Day Liberation Day is a day, often a public holiday, that marks the liberation of a place, similar to an independence day, but differing from it because it does not involve the original creation of statehood. It commemorates the end of an occupation ...
(Libya) **
Mole Day Mole Day is an unofficial holiday celebrated among chemists, chemistry students, and chemistry enthusiasts on October 23 between 6:02 a.m. and 6:02 p.m., making the date 6:02 10/23 in either Calendar_date#Date_format, MDY or YMD date fo ...
(
International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Christian holidays *Christmas (Nativity of Jesus, Nativity of Jesus Christ, the beginning of Christmastide) *Solemnity of Mary, Mother ...
) **
National Day (Hungary) A number of public holidays and special events take place each year in Hungary. Fixed public holidays Article J of the Constitution of Hungary on national holidays (1) The national holidays of Hungary shall be: a) the 15th day of March, in mem ...
** Paris Peace Agreement Day (Cambodia) *
October 24 Events Pre-1600 *AD 69 – In the Second Battle of Bedriacum, troops loyal to Vespasian defeat those of Emperor Vitellius. * 1260 – Chartres Cathedral is dedicated in the presence of King Louis IX of France. * 1260 – Afte ...
** Azad Kashmir Day (Pakistan) ** Day of Special Forces of the Armed Forces (Russia) **
Food Day Food Day in the United States is celebrated annually on October 24 and often throughout the month. The celebration was started in 1975 by the CSPI, Center for Science in the Public Interest (CSPI) in an attempt to create an event similar to Earth D ...
(United States) ** Independence Day (Zambia) ** Suez Day (Egypt) **
United Nations Day United Nations Day is an annual commemorative day, reflecting the official creation of the United Nations on 24 October 1945. In 1947, the United Nations General Assembly declared 24 October, the anniversary of the Charter of the United Nations, ...
(
International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Christian holidays *Christmas (Nativity of Jesus, Nativity of Jesus Christ, the beginning of Christmastide) *Solemnity of Mary, Mother ...
) ** World Development Information Day ** World Polio Day *
October 25 Events Pre-1600 * 285 or 286 – Execution of Crispin and Crispinian, Saints Crispin and Crispinian during the reign of Diocletian, now the patron saints of leather workers, curriers, and shoemakers. * 473 – Emperor Leo I (emperor), ...
** Armed Forces Day (Romania) ** Constitution Day (Lithuania) ** Customs Officer's Day (Russia) ** Day of the Basque Country ( Basque Country) **
Retrocession Day Retrocession Day is the annual observance and former public holiday in Taiwan commemorating the end of Japanese rule of Taiwan and Penghu and the claimed return of Taiwan to the Republic of China on 25 October 1945. However, the idea of " Taiw ...
(Taiwan) **
Sovereignty Day (Slovenia) Sovereignty Day () is a public holiday in Slovenia, celebrated on 25 October. It commemorates one of the key events in the process of attaining independence, namely withdrawal of the last Yugoslav People's Army (JNA) soldier from the territory ...
** Thanksgiving Day (Grenada) ** The Hallowing of Nestorius (
Nestorian Christianity The Church of the East ( ) or the East Syriac Church, also called the Church of Seleucia-Ctesiphon, the Persian Church, the Assyrian Church, the Babylonian Church, the Chaldean Church or the Nestorian Church, is one of three major branches o ...
) *
October 26 Events Pre-1600 * 1185 – The Uprising of Asen and Peter begins on the feast day of St. Demetrius of Thessaloniki and ends with the creation of the Second Bulgarian Empire. * 1341 – The Byzantine civil war of 1341–1347 formally ...
**
Accession Day (Jammu and Kashmir) Accession Day is a celebration in Jammu and Kashmir (union territory), Jammu and Kashmir that commemorates 26 October 1947, the day when Maharaja Hari Singh signed the Instrument of Accession (Jammu and Kashmir), Instrument of Accession, by whi ...
** Angam Day (
Nauru Nauru, officially the Republic of Nauru, formerly known as Pleasant Island, is an island country and microstate in the South Pacific Ocean. It lies within the Micronesia subregion of Oceania, with its nearest neighbour being Banaba (part of ...
) ** Armed Forces Day (Benin) **
Intersex Awareness Day Intersex Awareness Day is an internationally observed awareness day each October 26, designed to highlight human rights issues faced by intersex people. History The event marks the first public demonstration by intersex people in North America ...
(
International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Christian holidays *Christmas (Nativity of Jesus, Nativity of Jesus Christ, the beginning of Christmastide) *Solemnity of Mary, Mother ...
) ** National Day (
Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
) *
October 27 Events Pre-1600 *312 – Constantine the Great is said to have received his famous Vision of Constantine, Vision of the Cross. *1275 – Traditional founding of the city of Amsterdam. *1524 – French troops Italian campaign of 152 ...
** Black Cat Appreciation Day (
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
) ** Černová Tragedy Day (
Slovakia Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the west, and the Czech Republic to the northwest. Slovakia's m ...
) ** Flag Day (Greece) **
Independence Day (Saint Vincent and the Grenadines) :This is a list of holidays in Saint Vincent and the Grenadines. (2016 dates) * January 1: New Year's Day * March 14: National Heroes Day, honors Chief Joseph Chatoyer on the anniversary of his death in 1795. * Good Friday (varies each year) * Ea ...
** Navy Day (United States) (unofficial, official date is October 13) **
World Day for Audiovisual Heritage The World Day for Audiovisual Heritage takes place every 27 October. This commemorative day was chosen by UNESCO (the United Nations Educational, Scientific and Cultural Organization) in 2005 to raise awareness of the significance and preservatio ...
*
October 28 Events Pre-1600 * 97 – Roman emperor Nerva is forced by the Praetorian Guard to adopt general Marcus Ulpius Trajanus as his heir and successor. * 306 – Maxentius is proclaimed Roman emperor. * 312 – Constantine I defeat ...
** Day of the Establishment of an Independent Czecho-Slovak State (Czech Republic and Slovakia) **
International Animation Day International Animation Day (IAD) is an international observance on October 28 that was proclaimed in 2002 by the ASIFA as the main global event to celebrate the art of animation. This day commemorates the debut of Charles-Émile Reynaud's Thé ...
**
Ohi Day Ohi Day (; ) is celebrated throughout Greece, Cyprus and the Greek communities around the world on 28 October each year. ''Ohi Day'' commemorates the rejection by the Greek dictator Ioannis Metaxas of the ultimatum made by Italian dictator ...
(Greece, Cyprus) ** Prefectural Earthquake Disaster Prevention Day (
Gifu Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Gifu Prefecture has a population of 1,910,511 () and has a geographic area of . Gifu Prefecture borders Toyama Prefecture to the north; Ishikawa Prefecture ...
, Japan) ** Youth Pledge Day (Indonesia) *
October 29 Events Pre-1600 * 312 – Constantine the Great enters Rome after his victory at the Battle of the Milvian Bridge, stages a grand '' adventus'' in the city, and is met with popular jubilation. Maxentius' body is fished out of the Tiber ...
** Coronation Day (Cambodia) **
Cyrus the Great Day Cyrus the Great Day ( ) is an unofficial holiday in Iran. Secular and nationalist in nature, it commemorates the legacy of Cyrus II of Persia, who founded the Achaemenid Empire in the 6th century BCE. It is observed annually on the 7th of Aba ...
(Iran) **
National Cat Day National Cat Day is celebrated in various countries. In some areas it is an awareness day to raise public awareness of Pet adoption, cat adoption. Italy In Italy, National Cat Day is celebrated on February 17. The date was chosen in 1990 after ...
(United States) **
Republic Day (Turkey) Republic Day () is a public holiday in Turkey commemorating the proclamation of the Republic of Turkey, on 29 October 1923. The annual celebrations start at 1:00 pm on 28 October and continue for 35 hours. Background The holiday commemorates t ...
** World Stroke Day *
October 30 Events Pre-1600 * 637 – Arab–Byzantine wars: Antioch surrenders to the Rashidun Caliphate after the Battle of the Iron Bridge. * 758 – Guangzhou is sacked by Arab and Persian pirates. * 1137 – Ranulf of Apulia defeats Ro ...
**
Anniversary of the Declaration of the Slovak Nation Remembrance Days in Slovakia are working days. For Public holidays in Slovakia see National holidays in Slovakia. {{DEFAULTSORT:Remembrance Days In Slovakia Society of Slovakia Culture of Slovakia ...
(Slovakia) **
Day of Remembrance of the Victims of Political Repressions The Remembrance Day for the Victims of Political Repression () is an annual day when victims of political repression in the Soviet Union are remembered and mourned across the Russian Federation. Origins The day has been observed since 30 Octobe ...
(
former Soviet republics The post-Soviet states, also referred to as the former Soviet Union or the former Soviet republics, are the independent sovereign states that emerged/re-emerged from the dissolution of the Soviet Union in 1991. Prior to their independence, they ...
, except Ukraine) ** Indonesian Banknote Day (Indonesia) ** International Orthopaedic Nurses Day **
Mischief Night Mischief Night is an informal holiday on which children, teenagers and adults engage in jokes, pranks, vandalism, or parties. It is known by a variety of names including Devil's Night (particularly in Detroit), Gate Night, Goosey Night, Moving ...
(United States and Canada) *** Beggars Night (certain regions of the United States) ***
Devil's Night Mischief Night is an informal holiday on which children, teenagers and adults engage in jokes, pranks, vandalism, or parties. It is known by a variety of names including Devil's Night (particularly in Detroit), Gate Night, Goosey Night, Moving ...
(
Michigan Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...
, United States) ** Thevar Jayanthi ( Thevar community, India) *
October 31 Events Pre-1600 * 475 – Romulus Augustulus is proclaimed Western Roman Emperor. * 683 – During the Siege of Mecca, the Kaaba catches fire and is burned down. * 802 – Empress Irene is deposed and banished to Lesbos. Consp ...
**Start of
Allhallowtide Allhallowtide, Hallowtide, Allsaintstide, or the Hallowmas season is the Western Christian Church, Western Christian season encompassing the triduum of All Saints' Eve (Halloween), All Saints' Day (All Hallows') and All Souls' Day, as well as the ...
October 31 – November 6 **The first day of the
Day of the Dead The Day of the Dead () is a holiday traditionally celebrated on November 1 and 2, though other days, such as October 31 or November 6, may be included depending on the locality. The multi-day holiday involves family and friends gathering to pa ...
, celebrated until November 2 (
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
) **
Día de la Canción Criolla The Día de la Canción Criolla is a Peruvian festivity celebrated yearly on October 31. The event celebrates the ''criollo'' culture of Peru. It was established on October 18, 1944, by the President Manuel Prado y Ugarteche. History The cele ...
(
Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
) **Eve of Winter, the eve of the first day of winter in the Northern hemisphere: ***
Allantide Allantide (, meaning ''first day of winter'', or ''Nos Kalan Gwav'', meaning ''eve of the first day of winter'' and ''Dy' Halan Gwav'', meaning ''day of the first day of winter''), also known as Saint Allan's Day or the Feast of Saint Allan, is ...
(
Cornwall Cornwall (; or ) is a Ceremonial counties of England, ceremonial county in South West England. It is also one of the Celtic nations and the homeland of the Cornish people. The county is bordered by the Atlantic Ocean to the north and west, ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
) ***
Halloween Halloween, or Hallowe'en (less commonly known as Allhalloween, All Hallows' Eve, or All Saints' Eve), is a celebration geography of Halloween, observed in many countries on 31 October, the eve of the Western Christianity, Western Christian f ...
( English-speaking countries, also in other locations) ***
Hop-tu-Naa Hop-tu-Naa ( ; ; ) is a Celtic festival celebrated in the Isle of Man on 31 October. It is the celebration of the traditional Gaelic festival of Samhain, the start of winter. It is thought to be the oldest unbroken tradition in the Isle of Ma ...
(
Isle of Man The Isle of Man ( , also ), or Mann ( ), is a self-governing British Crown Dependency in the Irish Sea, between Great Britain and Ireland. As head of state, Charles III holds the title Lord of Mann and is represented by a Lieutenant Govern ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
) ***
Samhain Samhain ( , , , ) or () is a Gaels, Gaelic festival on 1 November marking the end of the harvest season and beginning of winter or the "Celtic calendar#Medieval Irish and Welsh calendars, darker half" of the year.Dáithí Ó hÓgáin, Ó hÓ ...
in the Northern Hemisphere,
Beltane Beltane () or ''Bealtaine'' () is the Gaels, Gaelic May Day festival, marking the beginning of summer. It is traditionally held on 1 May, or about midway between the March equinox, spring equinox and summer solstice. Historically, it was widely ...
in the Southern Hemisphere; begins on sunset of October 31 (
Gaels The Gaels ( ; ; ; ) are an Insular Celts, Insular Celtic ethnolinguistic group native to Ireland, Scotland, and the Isle of Man. They are associated with the Goidelic languages, Gaelic languages: a branch of the Celtic languages comprising ...
,
Welsh people The Welsh () are an ethnic group and nation native to Wales who share a common ancestry, History of Wales, history and Culture of Wales, culture. Wales is one of the four countries of the United Kingdom. The majority of people living in Wa ...
and
Neopagan Modern paganism, also known as contemporary paganism and neopaganism, spans a range of new religious movements variously influenced by the beliefs of pre-modern peoples across Europe, North Africa, and the Near East. Despite some common simila ...
Wheel of the Year The Wheel of the Year is an annual cycle of seasonal festivals, observed by a range of Modern paganism, modern pagans, marking the year's chief solar events (solstices and equinoxes) and the midpoints between them. Modern pagan observances are ...
) ** Girl Scouts Founders Day (
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
) ** King Father's Birthday (
Cambodia Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...
) ** National Unity Day (
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
) **
Reformation Day Reformation Day is a Protestant Christian religious holiday celebrated on 31 October in remembrance of the onset of the Reformation. According to Philip Melanchthon, 31 October 1517 was the day Martin Luther nailed his '' Ninety-five Theses'' ...
(Slovenia, parts of Germany, Chile, El Salvador, Dominican Republic,
Evangelical Churches Evangelicalism (), also called evangelical Christianity or evangelical Protestantism, is a worldwide, interdenominational movement within Protestant Christianity that emphasizes evangelism, or the preaching and spreading of the Christian g ...
and
Lutheran Churches Lutheranism is a major branch of Protestantism that emerged under the work of Martin Luther, the 16th-century German friar and reformer whose efforts to reform the theology and practices of the Catholic Church launched the Reformation in 15 ...
) ** Saci day (
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
) ** World Savings Day **
Statehood Day Statehood Day may refer to: * Statehood Day (Bosnia and Herzegovina) * Statehood Day (Croatia) * Statehood Day (Hawaii) * Statehood Day (Lithuania) * Statehood Day (Montenegro) * National Day (Serbia) * Statehood Day (Slovenia) * Statehood Da ...
Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
, United States


Miscellaneous

*
Eric Whitacre Eric Edward Whitacre (born January2, 1970) is an American composer, conductor, and speaker best known for his choral music. Early life Whitacre was born in Reno, Nevada, to Ross and Roxanne Whitacre. He studied piano intermittently as a child a ...
composed a piece based on this month, titled ''October''. *
Neil Gaiman Neil Richard MacKinnon Gaiman (; born Neil Richard Gaiman; 10 November 1960) is an English author of short fiction, novels, comic books, audio theatre, and screenplays. His works include the comic series ''The Sandman (comic book), The Sandma ...
wrote a story personifying the month, titled "October in the Chair", for his 2006 collection '' Fragile Things''. *
Ray Bradbury Ray Douglas Bradbury ( ; August 22, 1920June 5, 2012) was an American author and screenwriter. One of the most celebrated 20th-century American writers, he worked in a variety of genres, including fantasy, science fiction, Horror fiction, horr ...
published a collection of short stories titled '' The October Country'' in 1955. * The song ''October doth before us go'' celebrates the progression of spring (from the perspective of the Southern Hemisphere).


References


External links

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