Secretaries of State

James Buchanan

Biography of Secretary of State, James Buchanan

James Buchanan was appointed Secretary of State by President James K. Polk on March 6, 1845. Buchanan entered duty on March 10, 1845, and left the position on M...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.