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30,000 BCE
Natural land bridges formed when water levels dropped during the ice age.
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10,000 BCE
The land bridge was covered with water once again, leaving hunters and gatherers in the Americas.
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7000 BCE
People started planting, in what is now Central Mexico.
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Period: 1300 BCE to 400 BCE
The Olmec people lived along the Gulf Coast of what is now Southern Mexico.
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800 BCE
The earliest Mound Builders were the Aden people who were hunters and gatherers in the valley.
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Period: 800 BCE to 100 BCE
The Adena people, one of the first Mound Builders lived along the Ohio River.
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700 BCE
In South America and central Mexico started to plant seeds to grow food.
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300 BCE
The Mayans developed a complex culture in the forest of present day Mexico, Guatemala, Honduras, an d Belize on the Yucatan Peninsula.
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Period: 300 BCE to 909
The Mayan culture existed in what is now Southern Mexico and Guatemala.
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Period: 200 BCE to 500
The Hopewell people were mound builders.
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Period: 100 BCE to 500
The Hopewell Mound Builders Lodged in the same area.
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11
The Aztecs wandered into the valley of Mexico located in central Mexico.
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Period: 200 to 1300
The Anasazi culture emerged in the southwest in the four corners area ( where Utah, Colorado, New Mexico, and Arizona meet )
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Period: 700 to
The Mississippians civilization existed.
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900
The Mayan civilization disappeared for unknown reasons.
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1000
The Cahokia, another group lived along the Mississippi River.
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1100
The Aztecs settled in the valley of Mexico.
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1300
The Anasazi began leaving the pueblos and cliff dwellings to live in smaller communities.
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Period: 1400 to 1572
The Incas established their empire in southern Peru.
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1420
The great city of Tenochtitlan emerged on an island in lake Texcoco now part of Mexico city.
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1428
The Aztecs leader helped the Aztecs to form a three-way alliance with the Texcoco and Tacuban to conquer their rivals for influence in the region.
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1492
Columbus landed in the Americas.
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1519
Hernán Cortés, a spanish conquistador first led his soldiers to the Aztec civilization.
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1532
The Inca empire was weakened by the civil war.
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Period: 1533 to 1572
The Spanish invaded the Inca empire.
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Earth's temperature had begun to rise and the ice age was ending.