United States Post Office Department
From Wikipedia, the free encyclopedia.

The Post Office Department was the former name of the United States Postal Service when it was a cabinet department. It was headed by the United States Postmaster General.

The Postal Service Act signed by President George Washington on February 20, 1792 established the Department.

The original article can be found at: http://en.wikipedia.org/wiki/United_States_Post_Office_Department.
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