Secretaries of State

Thomas Jefferson

Biography of Secretary of State, Thomas Jefferson

Thomas Jefferson served as the first Secretary of State from March 22, 1790, to December 31, 1793. Jefferson brought remarkable talents to a long career guiding...Read More >>

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Milestones

Prague 1968

On August 20, 1968, the Soviet Union led Warsaw Pact troops in an invasion of Czechoslovakia.

Education

A Journey Shared

For teachers: A curriculum guide exploring 200 years of U.S.-China relations.

Countries

Vietnam

A guide to the history of U.S. diplomatic relations with Vietnam.