when was the united states postal service started
United States Postal Service The U.S. Mail traces its roots to 1775 during the Second Continental Congress, when Benjamin Franklin was appointed the first postmaster general. The Post Office Department was created in 1792 from Franklin's operation, elevated to a cabinet-level department in 1872, and transformed in 1971 into the U.S. Postal Service as an independent agency.
Postage stamps and postal history of the United States On January 26, 2014, the postal service raised the price of First-class postage stamps to 49 cents. Rates for other mail, including postcards and packages, also increased.[36]