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Period: 13,000 BCE to 7000 BCE
Humans cross land bridge between Asia and North America
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5000 BCE
Corn domesticated
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Period: 2000 BCE to 900
Maya Civilization (invented calendars, clocks; numeric system including zero)
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1000
Lief Erikson goes to Canada
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1325
Aztecs found Tenochtitlan
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Period: 1325 to 1521
Aztec empire (very successful warriors; extraordinary system of farming with island-like farm plots floating around city)
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Period: 1400 to 1532
Inca Empire (amazing architects and builders, including Machu Picchu; transported freshwater across long distances)
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Period: 1425 to 1475
Mechanical clocks invented in Europe (time approximate)
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1492
Christopher Columbus reaches Americas (Bahamas)
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1521
Hernando Cortes conquers Aztec (effort to defeat Montezuma was aided by non-native illnesses, superior weaponry, and anger of defeated peoples)
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Period: 1532 to 1533
Francisco Pizarro conquers Inca
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1582
Georgian calendar in the West
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First successful English settlement in the Americas (Jamestown)