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  2. History of the Americas - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Americas

    The Olmec civilization was the first Mesoamerican civilization, beginning around 1600–1400 BC and ending around 400 BC. Mesoamerica is considered one of the six sites around the globe in which civilization developed independently and indigenously. This civilization is considered the mother culture of the Mesoamerican civilizations.

  3. List of archaeological periods (North America) - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological...

    They divided the archaeological record in the Americas into five phases, only three of which applied to North America. [1] The use of these divisions has diminished in most of North America due to the development of local classifications with more elaborate breakdowns of times. [2] 1. The Paleo-Indians stage and/or Lithic stage 2. The Archaic ...

  4. Timeline of prehistory - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_prehistory

    3200 BC – 2500 BC: The Norte Chico or Caral–Supe civilization begins on the coast of Peru with a wave of monumental construction and founding of the first cities in the Americas. It is generally considered the oldest civilization in the Americas. [149] 3200 BC: The Yamnaya culture appears on the Pontic–Caspian steppe. [150]

  5. History of North America - Wikipedia

    en.wikipedia.org/wiki/History_of_North_America

    The History of North America encompasses the past developments of people populating the continent of North America. While it was commonly accepted that the continent first became inhabited by humans when individuals migrated across the Bering Sea 40,000 to 17,000 years ago, [ 1 ] more recent discoveries may have pushed those estimates back at ...

  6. Mesoamerican Classic period - Wikipedia

    en.wikipedia.org/wiki/Mesoamerican_Classic_period

    Maya stele in Copán.. The Mesoamerican Classic Period can be established from around 200 to 900 A. D. However, the chronology varies in each cultural area. The precursors to this period are found in the late Preclassic Period, at around 400 B. C, when an increase in efficiency of agriculture technology led to demographic growth, a greater division of labor and specialization, and the growth ...

  7. Indus valley civilization disappeared 3,600 years ago — we ...

    www.aol.com/news/indus-valley-civilization...

    A cave in the Himalayas revealed the most detailed explanation yet for the ancient civilization’s decline. Indus valley civilization disappeared 3,600 years ago — we finally know why, study ...

  8. The Milky Way is probably full of dead alien civilizations ...

    www.aol.com/milky-way-probably-full-dead...

    The paper, which is a preprint and awaiting peer review, amounts to an update to the Drake equation, a probabilistic model used to estimate the number of extraterrestrial civilizations in the ...

  9. American Nations - Wikipedia

    en.wikipedia.org/wiki/American_Nations

    American Nations: A History of the Eleven Rival Regional Cultures of North America is an American non-fiction book written by Colin Woodard and published in 2011. Woodard proposes a framework for examining American history and current events based on a view of the country as a federation of eleven nations, each defined by a shared culture established by each nation's founding population.