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Period Approx. Dates Key Events Characteristics
Pre-Clovis ~30,000 β 13,500 BCE Possible early human migration from Asia into the Americas via the Bering Land Bridge (Beringia). Stone tools found in some sites suggest earlier human presence. -
First widespread culture in North America. Known for Clovis pointsβdistinctive fluted stone spear tips. People were nomadic big-game hunters, hunting mammoths and mastodons.
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Civilization Period Key Characteristics Achievements
Olmecs ~1500 β 400 BCE π΄ First major Mesoamerican civilization, located in the Gulf Coast (Veracruz and Tabasco).πΏ Created colossal stone heads.ποΈ Built cities like San Lorenzo and La Venta.π Developed one of the earliest writing and calendar systems.π Practiced religion centered on jaguar gods and nature. -
ποΈ Based in the Oaxaca Valley.ποΈ Built the city of Monte AlbΓ‘n, one of the first urban centers in Mesoamerica.π Created an early hieroglyphic writing system and calendar.β±οΈ Known for their ceramics, architecture, and organized government.ποΈ Continued to thrive after the Olmecs, influencing later cultures like the Mixtecs.
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Climate warmed after the Ice Age. People became more diverse in their tools and food sources, including plants and fish. Transition toward Archaic Period and more permanent settlements.
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Developed more refined Folsom points. Adapted to changing climates as megafauna went extinct; began hunting smaller animals like bison.