-
30,000 BCE
Land bridges join North America and Asia
Natural land bridges formed when water levels dropped during the Ice Age. -
10,000 BCE
Land bridges disappear
The land bridge was covered with water once again, leaving hunters and gatherers in the Americas. -
7000 BCE
Planting begins
People started planting around in what is now central Mexico. -
Period: 1300 BCE to 400 BCE
The Olmec Civilization
The Olmec people lived along the Gulf Coast of what is now southern Mexico. -
Period: 800 BCE to 100 BCE
The Adena People
The Adena people, one of the first Mound Builders, lived along the Ohio River. -
Period: 300 BCE to 909
The Mayans
The Mayan culture existed in what is now southern Mexico and Guatemala. -
Period: 100 BCE to 500
The Hopewell Mound Builders
The Hopewell Mound Builders lodged along the Ohio River. -
Period: 200 to 1300
The Anasazi
The Anasazi culture emerged in the Southwest in the Four Corners area (where Utah, Colorado, New Mexico, and Arizona meet). -
1000
The Cahokia
The Cahokia lived along the Mississippi River. -
1100
The Aztecs
The Aztecs settled in the Valley of Mexico. -
Period: 1400 to 1572
The Incas
The Incas established their empire in southern Peru.
