10th Millennium BC
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The 10th millennium BC spanned the years 10,000 BC to 9001 BC (c. 12 ka to c. 11 ka). It marks the beginning of the transition from the
Palaeolithic The Paleolithic or Palaeolithic ( years ago) ( ), also called the Old Stone Age (), is a period in human prehistory that is distinguished by the original development of stone tools, and which represents almost the entire period of human prehist ...
to the
Neolithic The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...
via the interim
Mesolithic The Mesolithic (Ancient Greek language, Greek: μέσος, ''mesos'' 'middle' + λίθος, ''lithos'' 'stone') or Middle Stone Age is the Old World archaeological period between the Upper Paleolithic and the Neolithic. The term Epipaleolithic i ...
(
Northern Europe The northern region of Europe has several definitions. A restrictive definition may describe northern Europe as being roughly north of the southern coast of the Baltic Sea, which is about 54th parallel north, 54°N, or may be based on other ge ...
and
Western Europe Western Europe is the western region of Europe. The region's extent varies depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the Western half of the ancient Mediterranean ...
) and Epipaleolithic (
Levant The Levant ( ) is the subregion that borders the Eastern Mediterranean, Eastern Mediterranean sea to the west, and forms the core of West Asia and the political term, Middle East, ''Middle East''. In its narrowest sense, which is in use toda ...
and
Near East The Near East () is a transcontinental region around the Eastern Mediterranean encompassing the historical Fertile Crescent, the Levant, Anatolia, Egypt, Mesopotamia, and coastal areas of the Arabian Peninsula. The term was invented in the 20th ...
) periods, which together form the first part of the
Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...
epoch that is generally believed to have begun c. 9700 BC (c. 11.7 ka) and is the current geological epoch. It is impossible to precisely date events that happened around the time of this millennium, and all dates mentioned here are estimates mostly based on geological analysis, anthropological analysis, and radiometric dating.


Holocene epoch

The main characteristic of the Holocene has been the worldwide abundance of ''
Homo sapiens sapiens Human taxonomy is the classification of the human species within zoological taxonomy. The systematic genus, ''Homo'', is designed to include both anatomically modern humans and extinct varieties of archaic humans. Current humans are classified ...
'' (humankind). The epoch began in the wake of the Würm glaciation, generally known as the Last Ice Age, which began 109 ka and ended 14 ka, when ''
Homo sapiens sapiens Human taxonomy is the classification of the human species within zoological taxonomy. The systematic genus, ''Homo'', is designed to include both anatomically modern humans and extinct varieties of archaic humans. Current humans are classified ...
'' was in the
Palaeolithic The Paleolithic or Palaeolithic ( years ago) ( ), also called the Old Stone Age (), is a period in human prehistory that is distinguished by the original development of stone tools, and which represents almost the entire period of human prehist ...
(Old Stone) Age. Following the Late Glacial Interstadial from 14 ka to 12.9 ka, during which global temperatures rose significantly, the
Younger Dryas The Younger Dryas (YD, Greenland Stadial GS-1) was a period in Earth's geologic history that occurred circa 12,900 to 11,700 years Before Present (BP). It is primarily known for the sudden or "abrupt" cooling in the Northern Hemisphere, when the ...
began. This was a temporary reversal of climatic warming to glacial conditions in the Northern Hemisphere and coincided with the end of the Upper Palaeolithic. The Younger Dryas ceased c. 9700 BC, marking the cutover from
Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...
to Holocene. In the
geologic time scale The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochro ...
, there are three (tentatively four) stratigraphic stages of the Holocene beginning c. 9700 BC with the " Greenlandian" (to c. 6236 BC). The starting point for the Greenlandian is the Global Boundary Stratotype Section and Point (GSSP) sample from the North Greenland Ice Core Project, which has been correlated with the Younger Dryas. The Greenlandian was succeeded by the " Northgrippian" (to c. 2250 BC) and the " Meghalayan". All three stages were officially ratified by the
International Commission on Stratigraphy The International Commission on Stratigraphy (ICS), sometimes unofficially referred to as the International Stratigraphic Commission, is a daughter or major subcommittee grade scientific organization that concerns itself with stratigraphy, strati ...
in July 2018. It has been proposed that the Meghalayan should be terminated c. 1950 and succeeded by a new stage provisionally called " Anthropocene". In the Holocene's first millennium, the Palaeolithic began to be superseded by the
Neolithic The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...
(New Stone) Age which lasted about 6,000 years, depending on location. The gradual transition period is sometimes termed
Mesolithic The Mesolithic (Ancient Greek language, Greek: μέσος, ''mesos'' 'middle' + λίθος, ''lithos'' 'stone') or Middle Stone Age is the Old World archaeological period between the Upper Paleolithic and the Neolithic. The term Epipaleolithic i ...
(northern and western Europe) or
Epipalaeolithic In archaeology, the Epipalaeolithic or Epipaleolithic (sometimes Epi-paleolithic etc.) is a period occurring between the Upper Paleolithic and Neolithic during the Stone Age. Mesolithic also falls between these two periods, and the two are someti ...
(Levant and Near East). The glaciers retreated as the world climate became warmer and that inspired an agricultural revolution, though at first, the dog was probably the only domesticated animal. This was accompanied by a social revolution in that humans gained from agriculture the impetus to settle. Settlement is the key precursor to civilisation, which cannot be achieved by a nomadic lifestyle. The
world population In demographics of the world, world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of h ...
, c. 10,000 BC, is believed to have been more or less stable. It has been estimated that there were some five million people at the time of the
Last Glacial Maximum The Last Glacial Maximum (LGM), also referred to as the Last Glacial Coldest Period, was the most recent time during the Last Glacial Period where ice sheets were at their greatest extent between 26,000 and 20,000 years ago. Ice sheets covered m ...
, growing to forty million by 5000 BC and 100 million by 1600 BC, which is an average growth rate of 0.027% p.a. from the Neolithic to the Middle Bronze Age. Around 10,000 BC, most people lived in
hunter-gatherer A hunter-gatherer or forager is a human living in a community, or according to an ancestrally derived Lifestyle, lifestyle, in which most or all food is obtained by foraging, that is, by gathering food from local naturally occurring sources, esp ...
communities scattered across all continents except
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...
and
Zealandia Zealandia (pronounced ), also known as (Māori language, Māori) or Tasmantis (from Tasman Sea), is an almost entirely submerged continent, submerged mass of continental crust in Oceania that subsided after breaking away from Gondwana 83 ...
. As the Würm/Wisconsin ended, settlement of northern regions was again possible.


Beginnings of agriculture

Agriculture Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created ...
developed in different parts of the world at different times. In many places, people learned how to cultivate without outside help; elsewhere, as in western Europe, the skills were imported. A decrease in human height accompanied the rise of agriculture near the start of the Holocene period (10,000 BC) and was later correlated with urban population density. The Natufian culture prevailed in the
Levant The Levant ( ) is the subregion that borders the Eastern Mediterranean, Eastern Mediterranean sea to the west, and forms the core of West Asia and the political term, Middle East, ''Middle East''. In its narrowest sense, which is in use toda ...
through the 10th millennium and was unusual in that it supported a sedentary or semi-sedentary population even before the introduction of agriculture. An early example is 'Ain Mallaha, which may have been the first village in which people were wholly sedentary. The Natufian people are believed to have founded another early settlement on the site of Jericho (Tell es-Sultan) where there is evidence of building between 9600 BC and 8200 BC. Dates for the Natufian are indeterminate and range broadly from c. 13,050 BC to c. 7550 BC. It is possible that the early cultivation of figs began in the Jordan River valley sometime after the middle of the 10th millennium. Besides the fig trees, the people may have begun cultivation of wild plants such as barley and pistachio; and they possibly began herding goats, pigs and cattle. Agriculture began to be developed by the various communities of the
Fertile Crescent The Fertile Crescent () is a crescent-shaped region in the Middle East, spanning modern-day Iraq, Israel, Jordan, Lebanon, Palestine, and Syria, together with northern Kuwait, south-eastern Turkey, and western Iran. Some authors also include ...
, which included the Levant, but it would not be widely practised for another 2,000 years by which time Neolithic culture was becoming well established in many parts of the Near East. Among the earliest cultivated plants were forms of
millet Millets () are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most millets belong to the tribe Paniceae. Millets are important crops in the Semi-arid climate, ...
and
rice Rice is a cereal grain and in its Domestication, domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species ''Oryza sativa'' (Asian rice)—or, much l ...
grown in the Middle East, possibly in this millennium but more likely after 9000 BC. By about 9500 BC, people in south-eastern Anatolia were harvesting wild grasses and grains. The earliest evidence of sheep herding has been found in northern Iraq, dated before 9000 BC.


Pottery

Prehistoric chronology is almost entirely reliant upon the dating of material objects of which
pottery Pottery is the process and the products of forming vessels and other objects with clay and other raw materials, which are fired at high temperatures to give them a hard and durable form. The place where such wares are made by a ''potter'' is al ...
is by far the most widespread and the most resistant to decay. All locations and generations developed their own shapes, sizes and styles of pottery, including methods and styles of decoration, but there was consistency among stratified deposits and even shards can be classified by time and place. Pottery is believed to have been discovered independently in various places, beginning with China c. 18,000 BC, and was probably created accidentally by fires lit on
clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impuriti ...
soil. The main discovery of pottery dated to the 10th millennium has been at Bosumpra Cave (early tenth-millennium cal. BC) on the Kwahu Plateau in southeastern Ghana and Ounjougou (c.9400 BC) in Central Mali, providing evidence of an independent invention of pottery in Sub-Saharan Africa in different climatic zones. The first chronological pottery system was the Early, Middle and Late Minoan framework devised in the early 20th century by Sir
Arthur Evans Sir Arthur John Evans (8 July 1851 – 11 July 1941) was a British archaeologist and pioneer in the study of Aegean civilization in the Bronze Age. The first excavations at the Minoan palace of Knossos on the List of islands of Greece, Gree ...
for his findings at
Knossos Knossos (; , ; Linear B: ''Ko-no-so'') is a Bronze Age archaeological site in Crete. The site was a major centre of the Minoan civilization and is known for its association with the Greek myth of Theseus and the minotaur. It is located on th ...
. This covered the
Bronze Age The Bronze Age () was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of ...
in twelve phases from c. 2800 BC to c. 1050 BC and the principle was later extended to mainland Greece (Helladic) and the Aegean islands (Cycladic). Dame Kathleen Kenyon was the principal archaeologist at Tell es-Sultan (ancient Jericho) and she discovered that there was no pottery there. The potter's wheel had not yet been invented and, where pottery as such was made, it was still hand-built, often by means of coiling, and pit fired. Kenyon discovered vessels such as bowls, cups, and plates at Jericho which were made from stone. She reasonably surmised that others made from wood or vegetable fibres would have long since decayed. Using Evans' system as a benchmark, Kenyon divided the Near East Neolithic into phases called Pre-Pottery Neolithic A (PPNA), from c. 10,000 BC to c. 8800 BC;
Pre-Pottery Neolithic B Pre-Pottery Neolithic B (PPNB) is part of the Pre-Pottery Neolithic, a Neolithic culture centered in upper Mesopotamia and the Levant, dating to years ago, that is, 8800–6500 BC. It was Type site, typed by British archaeologist Kathleen Kenyon ...
(PPNB), from c. 8800 BC to c. 6500 BC; and then Pottery Neolithic (PN), which had varied start-points from c. 6500 BC until the beginnings of the
Bronze Age The Bronze Age () was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of ...
towards the end of the 4th millennium. In the 10th millennium, the Natufian culture co-existed with the PPNA which prevailed in the Levantine and upper Mesopotamian areas of the Fertile Crescent.


Other cultural developments


Africa

In North Africa, Saharan rock art engravings in what is known as the Bubalus (Large Wild Fauna) period have been dated to between 10,000 BC and 7000 BC. Wall paintings found in
Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...
and
Eritrea Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa, with its capital and largest city being Asmara. It is bordered by Ethiopia in the Eritrea–Ethiopia border, south, Sudan in the west, and Dj ...
depict human activity; some of the older paintings are thought to date back to around 10,000 BC. In
Prehistoric Egypt Prehistoric Egypt and Predynastic Egypt was the period of time starting at the first human settlement and ending at the First Dynasty of Egypt around 3100 BC. At the end of prehistory, "Predynastic Egypt" is traditionally defined as the period ...
, a culture of hunter-gatherers replaced a grain grinding culture in 10,000 BC. The Abu Madi tel mounds in the
Sinai Peninsula The Sinai Peninsula, or simply Sinai ( ; ; ; ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a land bridge between Asia and Afri ...
have been dated c. 9660 to c. 9180 BC.


Americas

The Clovis culture was widely distributed throughout North America. The people were hunter-gatherers and the culture's duration is believed to have been from c.9050 BC to c.8800 BC. There is evidence of increasing use of Clovis point tool technology for hunting. Elsewhere in North America, the Petroglyphs at Winnemucca Lake, in what is today northwest
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 ...
, were carved by this time, possibly as early as 12.8 ka or as late as 10 ka.


Eurasia

The sites at Göbekli Tepe, which is home to megalithic structures, Hallan Çemi Tepesi, both in south-eastern
Anatolia Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...
, and at Tell Qaramel, in north-west
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 ...
, may have been occupied during this millennium. It was found out that
gastronomy Gastronomy is the study of the relationship between Human food, food and culture, the art of preparing and serving rich or delicate and appetizing food, the cooking styles of particular regions, and the science of good eating. One who is well ver ...
first emerged in Göbekli Tepe in this millennium. This most important discovery shedding light on the beginning of
gastronomy Gastronomy is the study of the relationship between Human food, food and culture, the art of preparing and serving rich or delicate and appetizing food, the cooking styles of particular regions, and the science of good eating. One who is well ver ...
in
Anatolia Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...
consists of religious places in which feasts were held in this millennium that were found in the archaeological excavations conducted in Göbekli Tepe in Urfa province which is called the zero point of time. As a result of the investigations carried out in Göbekli Tepe which is dated to this millennium, it was determined that the people created cult structures and had a culture for religious purposes during the early
Neolithic The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...
period and that they held feasts in which they offered foods while performing these cultures. The Sassi di Matera in southern
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 ...
is believed to have been the site of human settlement since the
Paleolithic The Paleolithic or Palaeolithic ( years ago) ( ), also called the Old Stone Age (), is a period in human prehistory that is distinguished by the original development of stone tools, and which represents almost the entire period of human prehist ...
period in this millennium, making it one of the oldest continuously inhabited settlements in history. At the Hasankeyf Mound in
Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...
,
Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
, almost all archaeological data date to this millennium. In
Great Britain Great Britain is an island in the North Atlantic Ocean off the north-west coast of continental Europe, consisting of the countries England, Scotland, and Wales. With an area of , it is the largest of the British Isles, the List of European ...
, which was not then an island, the
Star Carr Star Carr is a Mesolithic archaeological site in North Yorkshire, England. It is around five miles () south of Scarborough. It is generally regarded as the most important and informative Mesolithic site in Great Britain. It is as important to ...
site in
North Yorkshire North Yorkshire is a Ceremonial counties of England, ceremonial county in Northern England.The Unitary authorities of England, unitary authority areas of City of York, York and North Yorkshire (district), North Yorkshire are in Yorkshire and t ...
is believed to have been inhabited by Maglemosian peoples for about 800 years from c. 9335 BC to c. 8525 BC. The Bhimbetka rock shelters, which feature prehistoric cave paintings, earliest being dated to 10,000 BCE, corresponds to the Indian
Mesolithic The Mesolithic (Ancient Greek language, Greek: μέσος, ''mesos'' 'middle' + λίθος, ''lithos'' 'stone') or Middle Stone Age is the Old World archaeological period between the Upper Paleolithic and the Neolithic. The term Epipaleolithic i ...
. These sites would have been home to a nomadic/hunting society existing in this region.


Environmental changes

In the southern hemisphere, rising sea levels had gradually formed Bass Strait, separating
Tasmania Tasmania (; palawa kani: ''Lutruwita'') is an island States and territories of Australia, state of Australia. It is located to the south of the Mainland Australia, Australian mainland, and is separated from it by the Bass Strait. The sta ...
from mainland
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 ...
. This process is believed to have been complete by about the beginning of the 10th millennium. Bass Strait had been a plain populated by indigenous people who are thought to have first arrived around 40,000 years ago. The
Wisconsin glaciation The Wisconsin glaciation, also called the Wisconsin glacial episode, was the most recent glacial period of the North American ice sheet complex, peaking more than 20,000 years ago. This advance included the Cordilleran Ice Sheet, which nucleated ...
had sheeted much of North America and, as it retreated, its meltwaters created an immense proglacial lake now known as Lake Agassiz. Sometime after 10,000 BC, the retreating
glacier A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...
s created the rock formation on Cannon Mountain in present-day
New Hampshire New Hampshire ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
that was known as the Old Man of the Mountain until its collapse in 2003.


Chronological method

The ongoing
Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the ...
System/Period represents the last 2.58 million years since the end of the
Neogene The Neogene ( ,) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period million years ago. It is the second period of th ...
and is officially divided into the
Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...
and
Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...
Series/Epochs. The Holocene has been assigned an age of 11,700 calendar years before 2000 CE which means it began c. 9700 BC in the 10th millennium. It is preceded in the geological time scale by the
Late Pleistocene The Late Pleistocene is an unofficial Age (geology), age in the international geologic timescale in chronostratigraphy, also known as the Upper Pleistocene from a Stratigraphy, stratigraphic perspective. It is intended to be the fourth division ...
sub-epoch, also known as the Tarantian Stage/Age, which awaits formal ratification by the
International Union of Geological Sciences The International Union of Geological Sciences (IUGS) is an international non-governmental organization devoted to global cooperation in the field of geology. As of 2023, it represents more than 1 million geoscientists around the world. About Fo ...
(IUGS) and tentatively spans the time from c. 126,000 BC to c. 9700 BC. Preceding the Late Pleistocene is the
Middle Pleistocene The Chibanian, more widely known as the Middle Pleistocene (its previous informal name), is an Age (geology), age in the international geologic timescale or a Stage (stratigraphy), stage in chronostratigraphy, being a division of the Pleistocen ...
sub-epoch, or Chibanian Stage/Age, which also awaits ratification and tentatively spans the time from c. 773,000 BC to c. 126,000 BC. The
Early Pleistocene The Early Pleistocene is an unofficial epoch (geology), sub-epoch in the international geologic timescale in chronostratigraphy, representing the earliest division of the Pleistocene Epoch within the ongoing Quaternary Period. It is currently esti ...
from c. 2,580,000 BC until c. 773,000 is sub-divided into two Stages/Ages which have been officially defined: the Gelasian (until c. 1,800,000 BC) and the Calabrian. The
Holocene calendar The Holocene calendar, also known as the Holocene Era or Human Era (HE), is a year numbering system that adds exactly 10,000 years to the currently dominant ( AD/BC or CE/BCE) numbering scheme, placing its first year near the beginning of the ...
, devised by Cesare Emiliani in 1993, places its
epoch In chronology and periodization, an epoch or reference epoch is an instant in time chosen as the origin of a particular calendar era. The "epoch" serves as a reference point from which time is measured. The moment of epoch is usually decided b ...
at 10,000 BC (with the year being rendered as 1 HE). The Human Era calendar attempts to simplify the calculation of time spans across the BC-CE divide by designating a more universally relevant epoch date: the start of human settlements (instead of the birth of
Jesus Christ Jesus (AD 30 or 33), also referred to as Jesus Christ, Jesus of Nazareth, and many Names and titles of Jesus in the New Testament, other names and titles, was a 1st-century Jewish preacher and religious leader. He is the Jesus in Chris ...
). CE dates can be converted by adding 10,000 years; converting BC dates requires subtraction from 10,001 (since the
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 ...
lacks a year zero).


Notes


Bibliography


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