Secretaries of State

Abel P. Upshur

Biography of Secretary of State, Abel P. Upshur

Abel Parker Upshur was appointed ad interim Secretary of State by President John Tyler on June 24, 1843. On July 24, 1843, Tyler appointed Upshur Secretary of S...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.