Comprehensive Biography, Third President of United States of America

Thomas Jefferson, the third President of the United States (1801–1809), was a Founding Father and the principal author of the Declaration of Independence. A strong advocate for democracy, individual rights, and the expansion of the United States, he made the Louisiana Purchase in 1803, doubling the nation's size. Jefferson was also a statesman, diplomat, and scholar, with a lasting impact on American political ideals and institutions. His presidency emphasized limited government, states' rights, and westward expansion, while his legacy remains influential in shaping the nation's democratic principles.