From mail-carrying mules to more than 3 billion people visiting the U.S. Postal Service’s website a year, the USPS has a fascinating evolution. Dig into some fun facts to share this weekend as it celebrates its 250th anniversary.
From mail-carrying mules to more than 3 billion people visiting the U.S. Postal Service’s website a year, the USPS has a fascinating evolution. Dig into some fun facts to share this weekend as it celebrates its 250th anniversary.


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