Thomas Jefferson's presidency refers to the time period from 1801 to 1809 when Thomas Jefferson served as the third President of the United States. He was known for his democratic-republican principles, emphasis on states' rights, and support for agrarianism.
Related terms
Embargo Act of 1807: This act implemented by Jefferson prohibited American ships from trading with foreign nations in response to British and French interference with American trade.
Louisiana Purchase: During his presidency, Jefferson negotiated the purchase of the Louisiana Territory from France, doubling the size of the United States.
Lewis and Clark Expedition: In order to explore and map out the newly acquired western territory, Jefferson commissioned Meriwether Lewis and William Clark to lead an expedition known as the Corps of Discovery.