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Open daily 10 a.m. to 5:30 p.m.
Admission is always free!
2 Massachusetts Ave., N.E. Washington, DC 20002
Our entrance is on the corner of First Street and Massachusetts Avenue NE.
The US Postal Service begins copyrighting stamps with the Carl Sandburg stamp issue.
Poet and biographer Carl Sandburg is born in Galesburg, Illinois. He was commemorated on a stamp in 1978.
Experimental helicopter service begins in the New York City area. These flights are the first helicopter flights to be conducted by private helicopter organizations contracted to the postal service.
Theodore Roosevelt, 26th President of the US, dies in Oyster Bay, New York. He was commemorated on several US stamps.
Donald M. Dickinson is appointed Postmaster General under Grover Cleveland.
The first canceling machine, created by Thomas and Martin Leavitt, is used in Boston, Massachusetts. Leavitt canceling machines were used until the 1890s.
Joseph Holt, Postmaster General (1859-1860), is born in Breckinridge County, Kentucky.
Three men rob and kill mail messenger Arthur Mimms who is carrying $25,000 from the Guthrie, Kentucky post office to the train station.
Calvin Coolidge, 30th President of the US, dies in Northampton, Massachusetts. He was commemorated on a stamp in 1938.
Airmail pilot E.C. Carrington dies when his plane crashes and burns on landing.