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Thomas Jefferson becomes president.
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In 1803, the United States purchased the Louisiana Territory from France. The U.S. Secretary of State, James Madison, visited Napoleon in France and paid 15 million dollars for the land.
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The U.S. Senate approves a treaty with France allowing the purchase of the territory of Louisiana, which would double the size of the U.S.
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Meriwether Lewis and William Clark set off to explore the new land. They were sent by president, Thomas Jefferson, to discover new plants and animals.
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Lewis and Clark return from their journey with a journal that stated their new discoveries of life and land.
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This is the date that Louisiana was admitted to the Union. Louisiana was the 18th State to be admitted to the Union. State Motto : " Union, Justice, and Confidence "