3rd President of the United States

Thomas Jefferson

“Sage of Monticello”

In office

March 4, 1801 – March 4, 1809

Party

Democratic-Republican

Home state

Virginia

Lived

1743–1826

Days in office

2,922

In order

No. 3: after John Adams, before James Madison

Vice presidents

Aaron Burr, George Clinton

Key achievements & events

• Primary author of the Declaration of Independence (1776)
• Doubled the nation's size with the Louisiana Purchase from France (1803)
• Sent Lewis and Clark to explore the West (1804-1806)
• Fought the First Barbary War against North African pirates
• Signed the 1807 act banning the import of enslaved people (effective 1808)

Remember: His 1800 victory over John Adams was the first peaceful transfer of power between rival parties in U.S. history.