Secretaries of State

Lewis Cass

Biography of Secretary of State, Lewis Cass

Lewis Cass was appointed Secretary of State by President James Buchanan on March 6, 1857, and assumed office the same day. He served until December 14, 1860...Read More >>

Frequently Asked Questions

Sample document image

Where can I find Department of State records?

Looking for Department of State documents? Click here to find out more about where documents are located: Read More >>

Stay Connected with History.State.gov

Twitter

Wanted by US diplomats in Bordeaux 1914: magazines & score of Princeton-#Harvard game @USEmbassyFrance @FDR_Global ow.ly/EEPW9 6h

See visualizations created with #FRUS data using @HDStanford Palladio at: historyatstate.tumblr.com #dh #twitterstorians pic.twitter.com/mZJxhEuhlw 19 Nov

The HAC is meeting in open session, 11 am Dec. 8, at the Dept of State. Info on attending: history.state.gov/about/hac #FRUS #twitterstorians 18 Nov


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.