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English colonists found Jamestown in Virginia
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Founding of Santa Fe, New Mexico by the Spanish
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First American slaves are brought to Virginia
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The ship Mayflower arrives in Massachusetts Bay
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Sieur De La Salle claims Mississippi watershed for France
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France loses her possessions in North America
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Daniel Boone clears Wilderness Trail to Kentucky
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Signing of the Decleration of Independence
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Los Angeles is founded in Upper California
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Colombia River discovered and named by Captain Robert Gray
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Spain cedes Louisiana to France by secret treaty
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United States buys Louisiana from France
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President Jefferson sends Lewis and Clark to ezplore Northwest
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US/Canadian border established East of Continental Divide
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Adams Onis Treaty establishes US/Mexican border in West
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Mexico wins independence from spain
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City of Chicago is incorporated
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Texas wins independance from Mexico
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United States invades Mexico
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Gold is first discovered in California
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Gold is first discovered in Colorado
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American Civil War begins with attack on Fort Sumpter
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Slavery is abolished in the United States
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Completion of the first transcontinental railroad line
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Last herd of bison (buffalo) is destroyed