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18,000 BCE
People Crossed through Beringia
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1400
Prehistory
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1492
Columbus reaches the Bahamas
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Jamestown is founded
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Plymouth is founded
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Stamp Tax
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Period: to
King Phillip's War
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Boston Tea Party
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Boston Massacre
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First Continental Congress
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Battle of Lexington and Concord
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Period: to
Revolutionary War
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Declaration of Independence
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United States Constitution signed
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Period: to
Lewis and Clark Expedition
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Missouri Compromise
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Period: to
Trail of Tears
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Period: to
Mexican War
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Gold Rush begins
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Kansas Nebraska Act
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Period: to
American Civil War
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Period: to
Homesteading the plains
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First transcontinental railroad
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Period: to
Reconstruction
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Period: to
Cattle drives the plains
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Alaska purchased
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Suez Canal opens
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Period: to
Plains War
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Period: to
Jim Crow Laws created
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Spanish-American War
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Hawaii becomes U.S. possession
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U.S. gains control of Puerto Rico, Philippine Islands and other Pacific islands
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United States has become a world power
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U.S. takes over Panama Canal construction
