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13th millennium BC · 13,000–12,001 BC 12th millennium BC · 12,000–11,001 BC 11th millennium BC · 11,000–10,001 BC 10th millennium BC · 10,000–9001 BC 9th millennium BC · 9000–8001 BC 8th millennium BC · 8000–7001 BC 7th millennium BC · 7000–6001 BC 6th millennium BC · 6000–5001 BC 5th millennium BC · 5000–4001 BC
The Horn core of Saiga tatarica is from the Komishan cave that indicates an occupation of the cave at the end of this millennium. [2] In France, the first incisor from a red deer is dated to the 13-12th millennium BC. [3] During this millennium, the first dog remains came from the Natufian culture of the southern Levant. [4]
The 12th century is the period from 1101 to 1200 in accordance with the Julian calendar. In the history of European culture, this period is considered part of the High Middle Ages and overlaps with what is often called the " 'Golden Age' of the Cistercians ".
12th century — Indian numerals have been modified by Persian mathematicians al-Khwārizmī to form the modern Arabic numerals (used universally in the modern world.) 12th century — the Arabic numerals reach Europe through the Arabs. 1202 — Leonardo Fibonacci demonstrates the utility of Hindu–Arabic numeral system in his Book of the Abacus.
Some estimates extend their timeline into deep prehistory, to "10,000 BC", i.e., the early Holocene, when world population estimates range roughly between 1 and 10 million (with an uncertainty of up to an order of magnitude). [3] [4] Estimates for yet deeper prehistory, into the Paleolithic, are of a different nature.
A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. [1] For example, the current year is numbered 2025 in the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic Orthodox and Ethiopian Orthodox churches have their own Christian eras).
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 Holocene geological epoch and the Neolithic Revolution, when humans shifted from a hunter-gatherer lifestyle to agriculture and fixed settlements.
The 12th century BC is the period from 1200 to 1101 BC. The Late Bronze Age collapse in the ancient Near East and eastern Mediterranean is often considered to begin in this century. [ 1 ]