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Other civilizations, contemporaneous with the colonial period, were documented in European accounts of the time. For instance, the Maya civilization maintained written records, which were often destroyed by Christian Europeans such as Diego de Landa, who viewed them as pagan but sought to preserve native histories. Despite the destruction, a ...
North American archaeological periods divides the history of pre-Columbian North America into a number of named successive eras or periods, from the earliest-known human habitation through to the early Colonial period which followed the European colonization of the Americas.
c. 9500 BC – Cordilleran and Laurentide Ice Sheets retreat enough to open a habitable ice-free corridor through the northern half of the continent (North America) along the eastern flank of the Rocky Mountains. c. 1000 BCE-1000 CE – Woodland Period of Pre-Columbian Native Americans in Eastern America.
In the 18th century, the Atlantic slave trade brought enslaved Africans to the South during the colonial period as a source of labor for the harvesting of crops. There were almost 700,000 enslaved persons in the U.S. in 1790, which was approximately 18 percent of the total population or roughly one in six people.
The Pre-Columbian era refers to all period subdivisions in the history and prehistory of the Americas before the appearance of significant European and African influences on the American continents, spanning the time of the original arrival in the Upper Paleolithic to European colonization during the early modern period. [108]
The pre-Columbian era is the term generally used to encompass all time period subdivisions in the history of the Americas spanning the time from the original settlement of the Americas in the Upper Paleolithic until the European colonization of the Americas during the early modern period.
Aztec calendar (sunstone) Mesoamerican chronology divides the history of prehispanic Mesoamerica into several periods: the Paleo-Indian (first human habitation until 3500 BCE); the Archaic (before 2600 BCE), the Preclassic or Formative (2500 BCE – 250 CE), the Classic (250–900 CE), and the Postclassic (900–1521 CE); as well as the post European contact Colonial Period (1521–1821), and ...
Pre-existing natural communities remained largely intact south of the glaciers, but saw an increase in dominance of pine and a now-extinct species of temperate spruce, (Picea critchfieldii). This area included many plant communities that rely on a lightning-based fire regime, such as the longleaf pine woodland.