Secretaries of State

Philander Chase Knox

Biography of Secretary of State, Philander Chase Knox

President William Howard Taft appointed Pennsylvania Senator Philander Chase Knox as Secretary of State on March 6, 1909. Following his unsuccessful bid for...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.