The Louisiana Purchase (1803)
Bought about 828,000 square miles from Napoleon's France for $15 million
US Presidents · 19th century
1743–1826 · American
Democratic-Republican
In office: 1801–1809
Thomas Jefferson, the 3rd president, was the principal author of the Declaration of Independence and the first Secretary of State. His presidency doubled the size of the country through the Louisiana Purchase and sent Lewis and Clark to the Pacific. A polymath, architect and slaveholder, he founded the University of Virginia.
The Louisiana Purchase (1803)
Bought about 828,000 square miles from Napoleon's France for $15 million
The Lewis and Clark Expedition (1804–1806)
The Corps of Discovery explored the new western lands to the Pacific
The First Barbary War against Tripoli (1801–1805)
Naval campaign against the Barbary states' demands for tribute
The Embargo Act of 1807 (1807)
Banned American exports to all foreign nations; economically disastrous and repealed in 1809
The 'Revolution of 1800' (1800–1801)
Electoral tie with Aaron Burr resolved by the House; first transfer of power between parties
Act Prohibiting Importation of Slaves (1807)
Banned the importation of enslaved people into the US from 1 January 1808