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20/02/1792 George Washington establishes US post service

The Postal Service Act signed by President George Washington established the Department. Postmaster General John McLean, in office from 1823 to 1829, was the first to call it the Post Office Department rather than just the "Post Office." The organization received a boost in prestige when President Andrew Jackson invited his Postmaster General in 1829.

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  • United States Post Office Department