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U.S. Post Office established permanently (1794)
U.S. postal system established in 1775
Benjamin Franklin as its first postmaster general
June 1788 Postal Clause
Article I, Section 8, Clause 7 of the United States Constitution, empowers Congress “To establish Post Offices and Post Roads”. – Ma roads
September 26, 1789 – Washington appointed Samuel Osgood as the first Postmaster General under the Constitution
May 8, 1794 (1 Stat. 354), continued the Post Office indefinitely.
1800 Post Office moved from Philadelphia to Washington, D.C