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Index/Topics/Louisiana Purchase 1803

Louisiana Purchase 1803

The United States acquired the Louisiana Territory from France in 1803 through the Louisiana Purchase Treaty, which was negotiated by Robert R. Livingston and James Monroe.

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2 results
Feb 3, 2026

What was the biggest land purchase by the USA

The single largest land purchase by in terms of area was the of 1803, which added roughly 827,000–828,000 square miles (about 530 million acres) to the nation and was bought for roughly $15 million — ...

Feb 3, 2026

Who did we acquire Louisiana purchase from

acquired in 1803 from in a treaty negotiated by U.S. envoys and and concluded with French representatives, after France’s title to the region had been restored by a secret treaty with a few years earl...

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