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US MAIL WikipediaThe USPS traces its roots to 1775 during the Second Continental Congress, where Benjamin Franklin was appointed the first postmaster general.
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The cabinet-level Post Office Department was created in 1792
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In 1816 it employed 3341 men
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First Stamp WikipediaAn Act of Congress provided for the issuance of stamps on March 3, 1847
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In 1847 the telegraph system was privatized
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Lieutenant James C. Edgerton
flew the second leg of the first
New York to Washington, D.C.,
airmail flight, from Philadelphia, on
May 15, 1918.
[https://about.usps.com/who-we-are/postal-history/airmail.pdf] -
Wikipedia US Postal ServiceIn 1912, carrier service was announced for establishment in towns
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Computer Mail1982 to 1985 Electronic Computer Originated Mail
