Postal Service through the years
Published On: Feb 06 2013 08:05:34 AM PST Updated On: May 01 2013 09:35:15 AM PDT
Patrick Donahoe, postmaster general of the struggling United States Postal Service, "has decided to retire" in February after serving 39 years at the agency, the USPS announced Friday. Check out landmark moments in U.S. Postal Service history.