April is the fourth month of the year in the Gregorian and

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

s. Its length is 30 days. April is commonly associated with the season of spring in 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

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 the Southern Hemisphere, where it is the seasonal equivalent to October in the Northern Hemisphere and vice versa.

History

The Romans gave this month the

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 ...

name '' Aprilis''"April" in '' Chambers's Encyclopædia''. London: George Newnes, 1961, Vol. 1, p. 497. but the derivation of this name is uncertain. The traditional etymology is from the verb ''aperire'', "to open", in allusion to its being the season when trees and flowers begin to "open", which is supported by comparison with the modern Greek use of άνοιξη (''ánixi'') (opening) for spring. Since some of the Roman months were named in honor of divinities, and as April was sacred to the goddess

Venus Venus is the second planet from the Sun. It is often called Earth's "twin" or "sister" planet for having almost the same size and mass, and the closest orbit to Earth's. While both are rocky planets, Venus has an atmosphere much thicker ...

, her Veneralia being held on the first day, it has been suggested that Aprilis was originally her month Aphrilis, from her equivalent Greek goddess name

Aphrodite Aphrodite (, ) is an Greek mythology, ancient Greek goddess associated with love, lust, beauty, pleasure, passion, procreation, and as her syncretism, syncretised Roman counterpart , desire, Sexual intercourse, sex, fertility, prosperity, and ...

(''Aphros''), or the Etruscan name '' Apru''.

Jacob Grimm Jacob Ludwig Karl Grimm (4 January 1785 – 20 September 1863), also known as Ludwig Karl, was a German author, linguist, philologist, jurist, and folklorist. He formulated Grimm's law of linguistics, and was the co-author of the ''Deutsch ...

suggests the name of a hypothetical god or hero, ''Aper'' or ''Aprus''. April was the second month of the earliest

Roman calendar The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46&nbs ...

, before ''

Ianuarius , ("January"), or in full , abbreviated , was the first month of the Roman calendar, ancient Roman calendar, from which the Julian calendar, Julian and Gregorian calendar, Gregorian month of January derived. It was followed by ''Februarius'' (" ...

'' and ''

Februarius ''Februarius'', fully ''Mensis Februarius'' ("month of Februa"), was the shortest month of the Roman calendar from which the Julian calendar, Julian and Gregorian calendar, Gregorian month of February derived. It was eventually placed second in ...

'' were added by King

Numa Pompilius Numa Pompilius (; 753–672 BC; reigned 715–672 BC) was the Roman mythology, legendary second king of Rome, succeeding Romulus after a one-year interregnum. He was of Sabine origin, and many of Rome's most important religious and political ins ...

about 700 BC. It became the fourth month of the calendar year (the year when twelve months are displayed in order) during the time of the

decemvirs The decemviri or decemvirs (Latin for "ten men") refer to official ten-man commissions established by the Roman Republic. The most important were those of the two decemvirates, formally the decemvirate with consular power for writing laws () w ...

about 450 BC, when it was 29 days long. The 30th day was added back during the reform of the calendar undertaken by

Julius Caesar Gaius Julius Caesar (12 or 13 July 100 BC – 15 March 44 BC) was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in Caesar's civil wa ...

in the mid-40s BC, which produced the Julian calendar. The

Anglo-Saxons 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 ...

called April ''ēastre-monaþ''. The

Venerable Bede Bede (; ; 672/326 May 735), also known as Saint Bede, Bede of Jarrow, the Venerable Bede, and Bede the Venerable (), was an English monk, author and scholar. He was one of the most known writers during the Early Middle Ages, and his most fa ...

says in ''

The Reckoning of Time ''The Reckoning of Time'' (, CPL 2320) is an English era treatise written in Medieval Latin by the Northumbrian monk Bede in 725. Background In mid-7th-century Anglo-Saxon England, there was a desire to see the Easter season less closel ...

'' that this month ''ēastre'' is the root of the word

Easter Easter, also called Pascha ( Aramaic: פַּסְחָא , ''paskha''; Greek: πάσχα, ''páskha'') or Resurrection Sunday, is a Christian festival and cultural holiday commemorating the resurrection of Jesus from the dead, described in t ...

. He further states that the month was named after a goddess '' Eostre'' whose feast was in that month. It is also attested by

Einhard Einhard (also Eginhard or Einhart; ; 775 – 14 March 840) was a Franks, Frankish scholar and courtier. Einhard was a dedicated servant of Charlemagne and his son Louis the Pious; his main work is a biography of Charlemagne, the ''Vita Karoli M ...

in his work ''

Vita Karoli Magni ''Vita Karoli Magni'' (''Life of Charlemagne'') is a biography of Charlemagne, King of the Franks and Holy Roman Emperor, Emperor of the Romans, written by Einhard.Ogg, p. 109 The ''Life of Charlemagne'' is a 33 chapter account starting with th ...

''.

St George Saint George (;Geʽez: ጊዮርጊስ, , ka, გიორგი, , , died 23 April 303), also George of Lydda, was an early Christian martyr who is venerated as a saint in Christianity. According to holy tradition, he was a soldier in the R ...

's day is the twenty-third of the month; and

St Mark Mark the Evangelist (Koine Greek, Koinē Greek: Μᾶρκος, romanized: ''Mârkos''), also known as John Mark (Koine Greek, Koinē Greek language, Greek: Ἰωάννης Μᾶρκος, Romanization of Greek, romanized: ''Iōánnēs Mârkos;'' ...

's Eve, with its superstition that the ghosts of those who are doomed to die within the year will be seen to pass into the church, falls on the twenty-fourth. In

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 ...

the symbolic ploughing of the earth by the emperor and princes of the blood took place in their third month, which frequently corresponds to April. In Finnish, April is ''huhtikuu'', meaning ''

slash-and-burn Slash-and-burn agriculture is a form of shifting cultivation that involves the cutting and burning of plants in a forest or woodland to create a Field (agriculture), field called a swidden. The method begins by cutting down the trees and woody p ...

moon'', when gymnosperms for beat and burn clearing of farmland were felled. In Slovene, the most established traditional name is ''mali traven'', the month when plants start growing. It was first written in 1466 in the Škofja Loka manuscript. The month April originally had 30 days;

made it 29 days long; finally,

's calendar reform made it 30 days long again, which was not changed in the calendar revision of

Augustus Caesar Gaius Julius Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian (), was the founder of the Roman Empire, who reigned as the first Roman emperor from 27 BC until his death in A ...

in 8 BC. 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 ...

, the festival of Cerealia was held for seven days from mid-to-late April, but exact dates are still being determined. Feriae Latinae was also held in April, with the date varying. Other ancient Roman observances include Veneralia (April 1), Megalesia (April 10–16), Fordicidia (April 15), Parilia (April 21), Vinalia Urbana (April 23), Robigalia (April 25), and Serapia (April 25).

Floralia The Floralia was a Roman festival, festival of Religion in ancient Rome, ancient Roman religion in honor of the Flora (mythology), goddess Flora, held on 27 April during the Roman Republic, Republican era, or 28 April in the Julian calendar. The ...

was held April 27 during the Republican era, or April 28 on the

, and lasted until May 3. However, these dates do not correspond to the modern

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 ...

. The Lyrids meteor shower appears on April 16 – April 26 each year, with the peak generally occurring on April 22. The

Eta Aquariids The Eta Aquariids are a meteor shower associated with Halley's Comet. The shower is visible from about April 19 to about May 28 each year with peak activity on or around May 5. Unlike most major annual meteor showers, there is no sharp peak fo ...

meteor shower also appears in April. It is visible from April 21 to May 20 each year, with peak activity on or around May 6. The Pi Puppids appear on April 23, but only in years around the parent comet's perihelion date. The

Virginids The Virginids are a meteor shower. There are many major and minor meteor shower streams that occur during the Virginid Complex, including the Alpha Virginids, Gamma Virginids, Eta Virginids, Theta Virginids, Iota Virginids, Lambda Virginids, Mu Vir ...

also shower at various dates in April. The "Days of April" (''journées d'avril'') is a name assigned in French history to a series of insurrections at Lyons, Paris and elsewhere, against the government of Louis Philippe in 1834, which led to violent repressive measures, and to a famous trial known as the ''procès d'avril''.

Symbols

April'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 ...

is the

diamond Diamond is a Allotropes of carbon, solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of e ...

. The birth flower is the common daisy ''(Bellis perennis)'' or the

sweet pea The sweet pea, ''Lathyrus odoratus'', is a flowering plant in the genus '' Lathyrus'' in the family Fabaceae ( legumes), native to Sicily, southern Italy and the Aegean Islands. It is an annual climbing plant, growing to a height of , where ...

. 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 Aries (until April 19) and Taurus (April 20 onward). Signs in UT/GMT for 1950–2030. Daisy ntgr

Observances

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

Month-long

* In

Catholic 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 ...

Protestant Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...

and Orthodox

tradition A tradition is a system of beliefs or behaviors (folk custom) passed down within a group of people or society with symbolic meaning or special significance with origins in the past. A component of cultural expressions and folklore, common e ...

, April is the Month of the Resurrection of the Lord. April and March are the months in which the moveable Feast of Easter Sunday is celebrated. * National Pet Month (UK)

United States

* Arab American Heritage Month * Autism Awareness Month * Cancer Control Month *

Community College A community college is a type of undergraduate higher education institution, generally leading to an associate degree, certificate, or diploma. The term can have different meanings in different countries: many community colleges have an open enr ...

Awareness Month * Confederate History Month (

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 ...

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 ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...

Louisiana Louisiana ( ; ; ) is a state in the Deep South and South Central regions of the United States. It borders Texas to the west, Arkansas to the north, and Mississippi to the east. Of the 50 U.S. states, it ranks 31st in area and 25 ...

Mississippi Mississippi ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the s ...

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 ...

Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...

) * Financial Literacy Month * Jazz Appreciation Month * Mathematics and Statistics Awareness Month * Month of the Military Child * National Poetry Month * National Poetry Writing Month * Occupational Therapy Month * National Prevent Child Abuse Month * National Volunteer Month * Parkinson's Disease Awareness Month * Rosacea Awareness Month * Sexual Assault Awareness Month

United States food months

* Fresh Florida Tomato Month * National Food Month * National Grilled Cheese Month * National Pecan Month * National Soft Pretzel Month * National Soyfoods Month

Non-Gregorian

''(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 * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar

Movable

Variable; 2021 dates shown

* Youth Homelessness Matters Day * National Health Day (

Kiribati Kiribati, officially the Republic of Kiribati, is an island country in the Micronesia subregion of Oceania in the central Pacific Ocean. Its permanent population is over 119,000 as of the 2020 census, and more than half live on Tarawa. The st ...

): April 6 * Oral, Head and Neck Cancer Awareness Week (

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 ...

): April 13–19 * National Park Week (

): April 18–26 * Crime Victims' Rights Week (

): April 19–25 * National Volunteer Week: April 19–25 * European Immunization Week: April 20–26 * Day of Silence (

): April 24 * Pay It Forward Day: April 28 (

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 ...

) * Denim Day: April 29 (

) * Day of Dialogue (

) * Vaccination Week In The Americas * See: List of movable Western Christian observances * See: List of movable Eastern Christian observances

First Wednesday

* National Day of Hope (

)

First Saturday

* Ulcinj Municipality Day ( Ulcinj, Montenegro)

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, ...

ends (

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 ...

and

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 ...

) * Geologists Day (former

Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

countries) * Kanamara Matsuri ( Kawasaki, Japan) * Opening Day (

)

First full week

* National Library Week (

) ** National Library Workers Day (

) (Tuesday of National Library week, April 9 in 2024) ** National Bookmobile Day (Wednesday of National Library week, April 10 in 2024) * National Public Health Week (

) * National Public Safety Telecommunicators Week (

)

= Second Wednesday

= * International Day of Pink

= Second Thursday

= * National Former Prisoner of War Recognition Day (

)

= Second Friday

= * Fast and Prayer Day (

Liberia Liberia, officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to Guinea–Liberia border, its north, Ivory Coast to Ivory Coast–Lib ...

) * Air Force 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 ...

) * Kamakura Matsuri at Tsurugaoka Hachiman (

Kamakura , officially , is a city of Kanagawa Prefecture in Japan. It is located in the Kanto region on the island of Honshu. The city has an estimated population of 172,929 (1 September 2020) and a population density of 4,359 people per km2 over the tota ...

, Japan), lasts until third Sunday.

Second Sunday

* Children's Day (

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 ...

)

Week of April 14

* Pan American Week (

)

Third Wednesday

* Administrative Professionals Day (

)

Third Thursday

* National High Five Day (

)

Third Saturday

* Record Store Day (

)

Last full week of April

* Administrative Professionals Week (

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 ...

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

) * World Immunization Week

Week of April 23

* Canada Book Week (

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 ...

)

Week of the new moon

* International Dark Sky Week (

)

Third Monday

* Patriots' Day (

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

Maine Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...

, United States) * Queen's Official Birthday (

Saint Helena, Ascension and Tristan da Cunha Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territories, British Overseas Territory located in the Atlantic Ocean, South Atlantic and consisting of the island of Saint Helena, Ascension Island, and the archipelago of Tri ...

) * Sechseläuten (

Zurich Zurich (; ) is the list of cities in Switzerland, largest city in Switzerland and the capital of the canton of Zurich. It is in north-central Switzerland, at the northwestern tip of Lake Zurich. , the municipality had 448,664 inhabitants. The ...

, Switzerland)

= Wednesday of last full week of April

= * Administrative Professionals Day (

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 ...

)

First Thursday after April 18

* First Day of Summer (

Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...

)

= Fourth Thursday

= * Take Our Daughters and Sons to Work Day (

)

= Last 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 ...

(

) * Día de la Chupina (

Rosario Rosario () is the largest city in the central provinces of Argentina, Argentine province of Santa Fe Province, Santa Fe. The city, located northwest of Buenos Aires on the west bank of the Paraná River, is the third-most populous city in the ...

, Argentina)

Last Friday in April to first Sunday in May

* Arbour Week in

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

= Last Saturday

= * Children's Day (

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 ...

) * National Rebuilding Day (

) * National Sense of Smell Day (

) * World Tai Chi and Qigong Day

= Last Sunday

= *

Flag Day A flag day is a flag-related holiday, a day designated for flying a certain flag (such as a national flag) or a day set aside to celebrate a historical event such as a nation's adoption of its flag. Flag days are usually codified in national s ...

(

Åland Åland ( , ; ) is an Federacy, autonomous and Demilitarized zone, demilitarised region of Finland. Receiving its autonomy by a 1920 decision of the League of Nations, it is the smallest region of Finland by both area () and population (30,54 ...

, Finland) * Turkmen Racing Horse Festival (

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 ...

)

= April 27 (April 26 if April 27 is a Sunday)

= * Koningsdag (

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

)

= Last Monday

= * Confederate Memorial Day (

Georgia (U.S. state) Georgia is a U.S. state, state in the Southeastern United States. It borders Tennessee and North Carolina to the north, South Carolina and the Atlantic Ocean to the east, Florida to the south, and Alabama to the west. Of the List of states a ...

, and

, United States)

= Last Wednesday

= * International Noise Awareness Day

Fixed

* April 1 **

April Fools' Day April Fools' Day or April Fool's Day (rarely called All Fools' Day) is an annual custom on the 1st of April consisting of practical jokes, hoaxes, and pranks. Jokesters often expose their actions by shouting "April Fool " at the recipient. ...

(

Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...

) ** Civil Service Day (

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

) ** Cyprus National Day (

Cyprus Cyprus (), officially the Republic of Cyprus, is an island country in the eastern Mediterranean Sea. Situated in West Asia, its cultural identity and geopolitical orientation are overwhelmingly Southeast European. Cyprus is the List of isl ...

) ** Edible Book Day ** Fossil Fools Day ** Kha b-Nisan (

Assyrian people Assyrians (, ) are an ethnic group Indigenous peoples, indigenous to Mesopotamia, a geographical region in West Asia. Modern Assyrians Assyrian continuity, share descent directly from the ancient Assyrians, one of the key civilizations of Mesop ...

) ** National Civil Service Day (

) ** Odisha Day (

Odisha Odisha (), formerly Orissa (List of renamed places in India, the official name until 2011), is a States and union territories of India, state located in East India, Eastern India. It is the List of states and union territories of India by ar ...

, India) ** Start of Testicular Cancer Awareness week (

), April 1–7 ** Season for Nonviolence January 30 – April 4 *

April 2 Events Pre-1600 * 1513 – Having spotted land on March 27, Spanish explorer Juan Ponce de León comes ashore on what is now the U.S. state of Florida, landing somewhere between the modern city of St. Augustine and the mouth of the St ...

** International Children's Book Day (

) ** Malvinas Day (

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 ...

) ** National Peanut Butter and Jelly Day (

) ** Thai Heritage Conservation Day (

) ** Unity of Peoples of Russia and Belarus Day (

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 ...

) ** World Autism Awareness Day (

) * April 3 * April 4 ** Children's Day (

Taiwan 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 ...

) ** Independence Day (Senegal) ** International Day for Mine Awareness and Assistance in Mine Action ** Peace Day (Angola) *

April 5 Events Pre-1600 * 823 – Lothair I is crowned King of Italy by Pope Paschal I. * 919 – The Fatimid invasion of Egypt (919–921), second Fatimid invasion of Medieval Egypt, Egypt begins, when the Fatimid heir-apparent, Al-Qa'im (Fa ...

** Children's Day (

Palestinian territories The occupied Palestinian territories, also referred to as the Palestinian territories, consist of the West Bank (including East Jerusalem) and the Gaza Strip—two regions of the former Mandate for Palestine, British Mandate for Palestine ...

) ** National Caramel Day (United States) ** Sikmogil (South Korea) *

April 6 Events Pre–1600 *46 BC – Julius Caesar defeats Caecilius Metellus Scipio and Marcus Porcius Cato (Cato the Younger) at the Battle of Thapsus. * 402 – Stilicho defeats the Visigoths under Alaric in the Battle of Pollentia. * ...

** Chakri Day (Thailand) ** National Beer Day (United Kingdom) ** New Beer's Eve (United States) ** Tartan Day (United States & Canada) *

April 7 Events Pre-1600 * 451 – Attila the Hun captures Metz in France, killing most of its inhabitants and burning the town. * 529 – First '' Corpus Juris Civilis'', a fundamental work in jurisprudence, is issued by Eastern Roman Em ...

(Slovenia) ** Genocide Memorial Day (Rwanda), and its related observance: *** International Day of Reflection on the 1994 Rwanda Genocide (

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 ...

) ** Motherhood and Beauty Day (Armenia) ** National Beer Day (United States) ** Sheikh Abeid Amani Karume Day (Tanzania) ** Women's Day (Mozambique) ** World Health Day (

) * April 8 ** Buddha's Birthday (Japan only, other countries follow different calendars) ** Feast of the First Day of the Writing of the Book of the Law (

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 ...

) ** International Romani Day (

) *

April 9 Events Pre-1600 * 193 – The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum. * 475 – Byzantine Emperor Basiliscus issues a circular letter (''Enkyklikon'') to the bishops of his empire, ...

** Anniversary of the German Invasion of Denmark (Denmark) ** Baghdad Liberation Day (

Iraqi Kurdistan Iraqi Kurdistan or Southern Kurdistan () refers to the Kurds, Kurdish-populated part of northern Iraq. It is considered one of the four parts of Greater Kurdistan in West Asia, which also includes parts of southeastern Turkey (Northern Kurdist ...

) ** Constitution Day (Kosovo) ** Day of National Unity (Georgia) ** Day of the Finnish Language (Finland) ** Day of Valor or ''Araw ng Kagitingan'' (Philippines) ** Feast of the Second Day of the Writing of the Book of the Law (

) ** International Banshtai Tsai Day ** Martyr's Day (Tunisia) ** National Former Prisoner of War Recognition Day (United States) ** Remembrance for Haakon Sigurdsson ( The Troth) ** Vimy Ridge Day (Canada) * April 10 ** Day of the Builder (Azerbaijan) ** Feast of the Third Day of the Writing of the Book of the Law (

) ** Siblings Day (

) * April 11 ** Juan Santamaría Day, anniversary of his death in the Second Battle of Rivas. (Costa Rica) ** International Louie Louie Day ** National Cheese Fondue Day (United States) ** World Parkinson's Day * April 12 ** Children's Day (Bolivia and Haiti) ** Commemoration of first human in space by Yuri Gagarin: *** Cosmonautics Day (Russia) *** International Day of Human Space Flight *** Yuri's Night (

) ** Halifax Day (

North Carolina North Carolina ( ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, South Carolina to the south, Georgia (U.S. stat ...

) ** National Grilled Cheese Sandwich Day (United States) ** National Redemption Day (Liberia) *

April 13 Events Pre-1600 * 1111 – Henry V, King of Germany, is crowned Holy Roman Emperor. * 1204 – Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire. * 1455 – Thirteen Years' War: ...

** Jefferson's Birthday (United States) ** Katyn Memorial Day (

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 ...

) ** Teachers' Day (

Ecuador Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contain ...

) ** First day of

Thingyan Thingyan (/sɛŋkəmɑ/ ; , Old Mon language, Old Mon: သင်ကြာန် ), also known as the Myanmar New Year, is a festival that usually occurs in middle of April. Thingyan marks the transition from the old year to the new one, based on ...

(

Myanmar Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and has ...

) (April 13–16) ** Unfairly Prosecuted Persons 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 ...

) *

April 14 Events Pre-1600 * 43 BC – Legions loyal to the Roman Senate, commanded by Gaius Pansa, defeat the forces of Mark Antony in the Battle of Forum Gallorum. * 69 – Vitellius, commanding Rhine-based armies, defeats Roman emperor ...

** ʔabusibaree ( Okinawa Islands, Japan) ** Ambedkar Jayanti (India) ** Black Day (South Korea) ** Commemoration of Anfal Genocide Against the Kurds (

) ** Dhivehi Language Day (Maldives) ** Day of Mologa ( Yaroslavl Oblast, Russia) ** Day of the Georgian language (

Georgia (country) Georgia is a country in the Caucasus region on the coast of the Black Sea. It is located at the intersection of Eastern Europe and West Asia, and is today generally regarded as part of Europe. It is bordered to the north and northeast by Russ ...

) ** Season of Emancipation (April 14 to August 23) (Barbados) ** N'Ko Alphabet Day ( Mande speakers) ** Pohela Boishakh (Bangladesh) ** Pana Sankranti (

, India) ** Puthandu (

Tamils The Tamils ( ), also known by their endonym Tamilar, are a Dravidian peoples, Dravidian ethnic group who natively speak the Tamil language and trace their ancestry mainly to the southern part of the Indian subcontinent. The Tamil language is o ...

) (India, Malaysia, Singapore, Sri Lanka) ** Second day of Songkran (Thailand) ** Pan American Day (several countries in the Americas) ** The first day of Takayama Spring Festival ( Takayama, Gifu, Japan) ** Vaisakh ( Punjab), (India and Pakistan) ** Youth Day (Angola) * April 15 ** Day of the Sun (North Korea). ** Hillsborough Disaster Memorial (

Liverpool Liverpool is a port City status in the United Kingdom, city and metropolitan borough in Merseyside, England. It is situated on the eastern side of the River Mersey, Mersey Estuary, near the Irish Sea, north-west of London. With a population ...

, England) ** Jackie Robinson Day (United States) ** Pohela Boishakh (

West Bengal West Bengal (; Bengali language, Bengali: , , abbr. WB) is a States and union territories of India, state in the East India, eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabi ...

, India) (Note: celebrated on

in Bangladesh) ** Last day of Songkran (Thailand) ** Tax Day, the official deadline for filing an individual

tax return A tax return is a form on which a person or organization presents an account of income and circumstances, used by the tax authorities to determine liability for tax. Tax returns are usually processed by each country's tax authority, known as ...

(or requesting an extension). (United States, Philippines) ** Universal Day of Culture ** World Art Day * April 16 ** Birthday of José de Diego (Puerto Rico, United States) ** Birthday of Queen Margrethe II (Denmark) **

Emancipation Day Emancipation Day is observed in many former European colonies in the West Indies and parts of the United States on various dates to commemorate the emancipation of African slave trade#Abolition, slaves of African descent. In much of the British ...

( Washington, D.C., United States) ** Foursquare Day (

) ** Memorial Day for the Victims of the Holocaust (Hungary) ** National Healthcare Decisions Day (United States) ** Remembrance of Chemical Attack on Balisan and Sheikh Wasan (

) ** World Voice Day * April 17 ** Evacuation Day (Syria) ** FAO Day (Iraq) ** Flag Day (American Samoa) ** Malbec World Day ** National Cheeseball Day (United States) ** National Espresso Day (Italy) ** Women's Day (Gabon) ** World Hemophilia Day * April 18 ** Anniversary of the Victory over the Teutonic Knights in the Battle of the Ice, 1242 (Russia) ** Army Day (Iran) ** Coma Patients' Day (Poland) ** Friend's Day (Brazil) ** Independence Day (Zimbabwe) ** International Day For Monuments and Sites ** Invention Day (Japan) * April 19 ** Army Day (Brazil) ** Beginning of the Independence Movement (Venezuela) ** Bicycle Day ** Dutch-American Friendship Day (United States) ** Holocaust Remembrance Day (Poland) ** Indigenous Peoples Day (Brazil) ** King Mswati III's birthday (Eswatini) ** Landing of the 33 Patriots Day (Uruguay) ** National Garlic Day (United States) ** National Rice Ball Day (United States) ** Primrose Day (United Kingdom) * April 20 ** 420 (cannabis culture) (International) ** UN Chinese Language Day (

) *

April 21 Events Pre-1600 * 753 BC – Romulus founds Rome ( traditional date). * 43 BC – Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is mur ...

** Natale di Roma(Italy) ** A&M Day (

Texas A&M University Texas A&M University (Texas A&M, A&M, TA&M, or TAMU) is a public university, public, Land-grant university, land-grant, research university in College Station, Texas, United States. It was founded in 1876 and became the flagship institution of ...

) ** Civil Service Day (India) ** Day of Local Self-Government (Russia) ** Grounation Day ( Rastafari movement) ** Heroic Defense of Veracruz (Mexico) ** Kang Pan-sok's Birthday (North Korea) ** Kartini Day (Indonesia) ** Local Self Government Day (Russia) ** National Tree Planting Day (Kenya) ** San Jacinto Day (

) ** Queen's Official Birthday (

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 ...

) ** Tiradentes' Day (Brazil) ** Vietnam Book Day (Vietnam) * April 22 ** Discovery Day (Brazil) ** Earth Day (

) and its related observance: *** International Mother Earth Day ** Holocaust Remembrance Day (Serbia) ** National Jelly Bean Day (United States) * April 23 ** Castile and León Day (

Castile and León Castile and León is an Autonomous communities of Spain, autonomous community in northwestern Spain. Castile and León is the largest autonomous community in Spain by area, covering 94,222 km2. It is, however, sparsely populated, with a pop ...

, Spain) ** German Beer Day (Germany) **

Independence Day An independence day is an annual event memorialization, commemorating the anniversary of a nation's independence or Sovereign state, statehood, usually after ceasing to be a group or part of another nation or state, or after the end of a milit ...

( Conch Republic,

Key West, Florida Key West is an island in the Straits of Florida, at the southern end of the U.S. state of Florida. Together with all or parts of the separate islands of Sigsbee Park, Dredgers Key, Fleming Key, Sunset Key, and the northern part of Stock Islan ...

) ** International Pixel-Stained Technopeasant Day ** Khongjom Day (

Manipur Manipur () is a state in northeastern India with Imphal as its capital. It borders the Indian states of Assam to the west, Mizoram to the south, and Nagaland to the north and shares the international border with Myanmar, specifically t ...

, India) ** National Sovereignty and Children's Day (Turkey and Northern Cyprus) ** Navy Day (China) **

St George's Day Saint George's Day is the Calendar of saints, feast day of Saint George, celebrated by Christian churches, countries, regions, and cities of which he is the Patronages of Saint George, patron saint, including Albania, Bosnia and Herzegovina, Bu ...

(England) and its related observances: *** Canada Book Day (Canada) *** La Diada de Sant Jordi (

Catalonia Catalonia is an autonomous community of Spain, designated as a ''nationalities and regions of Spain, nationality'' by its Statute of Autonomy of Catalonia of 2006, Statute of Autonomy. Most of its territory (except the Val d'Aran) is situate ...

, Spain) *** World Book Day ** UN English Language Day (

) *

April 24 Events Pre-1600 * 1479 BC – Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th dynasty). * 1183 BC – Traditional reckoning of the Fall of Troy ...

** Armenian Genocide Remembrance Day (Armenia) ** Concord Day (Niger) ** Children's Day (Zambia) ** Democracy Day (Nepal) ** Fashion Revolution Day ** Flag Day (Ireland) ** International Sculpture Day ** Kapyong Day (Australia) ** Labour Safety Day (Bangladesh) ** National Panchayati Raj Day (India) ** National Pigs in a Blanket Day (United States) ** Republic Day (The Gambia) ** St Mark's Eve (

Western Christianity Western Christianity is one of two subdivisions of Christianity (Eastern Christianity being the other). Western Christianity is composed of the Latin Church and Protestantism, Western Protestantism, together with their offshoots such as the O ...

) ** World Day for Laboratory Animals * April 25 ** Anniversary of the First Cabinet of Kurdish Government (

) ** Anzac Day (Australia, New Zealand) ** Arbor Day (Germany) ** DNA Day ** Feast of Saint Mark (

) ** Flag Day (Faroe Islands) ** Flag Day (Eswatini) ** Freedom Day (Portugal) ** Liberation Day (Italy) ** Major Rogation (

) ** Military Foundation Day (North Korea) ** National Zucchini Bread Day (United States) ** Parental Alienation Awareness Day ** Red Hat Society Day ** Sinai Liberation Day (Egypt) ** World Malaria Day * April 26 **

Chernobyl disaster On 26 April 1986, the no. 4 reactor of the Chernobyl Nuclear Power Plant, located near Pripyat, Ukrainian Soviet Socialist Republic, Ukrainian SSR, Soviet Union (now Ukraine), exploded. With dozens of direct casualties, it is one of only ...

related observances: *** Memorial Day of Radiation Accidents and Catastrophes (Russia) *** Day of Remembrance of the Chernobyl tragedy (Belarus) ** Confederate Memorial Day (

, United States) ** Hug A Friend Day ** Lesbian Visibility Day ** National Pretzel Day (United States) ** Old Permic Alphabet Day ** Union Day (Tanzania) ** World Intellectual Property Day * April 27 ** Day of Russian Parliamentarism (Russia) ** Day of the Uprising Against the Occupying Forces (Slovenia) **

(Moldova) ** Freedom Day (South Africa) *** UnFreedom Day ** Independence Day (Sierra Leone) ** Independence Day (Togo) ** National Day (

Mayotte Mayotte ( ; , ; , ; , ), officially the Department of Mayotte (), is an Overseas France, overseas Overseas departments and regions of France, department and region and single territorial collectivity of France. It is one of the Overseas departm ...

) ** National Day (Sierra Leone) ** National Prime Rib Day (United States) ** National Veterans' Day (Finland) * April 28 ** Lawyers' Day ( Orissa, India) ** Mujahideen Victory Day (Afghanistan) ** National Day (

Sardinia Sardinia ( ; ; ) is the Mediterranean islands#By area, second-largest island in the Mediterranean Sea, after Sicily, and one of the Regions of Italy, twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia an ...

, Italy) ** National Heroes Day (Barbados) ** Restoration of Sovereignty Day (Japan) ** Workers' Memorial Day and World Day for Safety and Health at Work ( international) *** National Day of Mourning (Canada) * April 29 ** Day of Remembrance for all Victims of Chemical Warfare (

) ** International Dance Day (

UNESCO The United Nations Educational, Scientific and Cultural Organization (UNESCO ) is a List of specialized agencies of the United Nations, specialized agency of the United Nations (UN) with the aim of promoting world peace and International secur ...

) ** Princess Bedike's Birthday (Denmark) ** National Shrimp Scampi Day (United States) ** Shōwa Day, traditionally the start of the Golden Week holiday period, which is April 29 and May 3–5. (Japan) * April 30 ** Armed Forces Day (

) ** Birthday of the King (Sweden) ** Camarón Day ( French Foreign Legion) ** Children's Day (Mexico) ** Consumer Protection Day (Thailand) ** Honesty Day (United States) ** International Jazz Day (

) ** Martyrs' Day (Pakistan) ** May Eve, the eve of the first day of summer in the Northern hemisphere ''(see May 1)'': *** Beltane begins at sunset in the Northern hemisphere,

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 ...

begins at sunset in the Southern hemisphere. ( Neo-Druidic

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 ...

) *** Carodejnice (Czech Republic and Slovakia) *** Walpurgis Night (Central and Northern Europe) ** National Persian Gulf Day (Iran) ** Reunification Day (Vietnam) ** Russian State Fire Service Day (Russia) ** Tax Day (Canada) ** Teachers' Day (Paraguay)

References

External links

National Arbor Day Foundation
{{Authority control *04