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1.
The geological era since the end of the Great Ice Age about 11,000 years ago.
Most researchers today, however, believe that climate change drove people to abandon hunting and gathering in favor of pastoralism and agriculture. So great was the global warming that ended the last Ice Age that geologists gave the era since about 9000 B.C.E. a new name: the Holocene.
by HistoryNerd94 November 12, 2010