TIMELINE: A history of the U.S. Postal Service

May 7, 2013 | 7:39 p.m. CDT
The U.S. post office originated in 1775 during the Revolutionary War, with Benjamin Franklin serving as the first postmaster general. The U.S. Postal Service continues to change, most recently with the Postal Accountability and Enhancement Act. The act requires the U.S. Postal Service to prefund retiree health benefits, putting $5.5 billion into a health fund each year.

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