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The U.S. Capital was moved from Philadelphia to Washington D.C
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Thomas Jefferson was elected the third president of the United States
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The United States bought the Louisiana territory for $15 million from the French
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Lewis and Clark set out to explore and find a route to the Pacific Ocean
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James Madison was elected the fourth president of the United States
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The United States declares war on Britain for interference. The war ended in 1814
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James Monroe was elected the fifth president of the United States
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Maine is admitted as a free state so that Missouri will be admitted as a slave state
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Monroe declares that further American colonization is prohibited by European powers
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John Quincy Adams is elected the sixth president of the United States
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Andrew Jackson is elected the seventh president of the United States
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Andrew Jackson signed the Indian Removal Act which authorized the removal of Indians living west of the Mississippi river
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Texas declares independence from Mexico
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The United States declares war on Mexico to gain California and other Southwestern territories