• 2012 BCE

    2012

    Gopost® and Metro Post™ tested
  • 2011 BCE

    2011

    Every Door Direct Mail® introduced
  • 2009 BCE

    2009

    Free usps.com iPhone app offered
  • 2008 BCE

    2008

    Competitive pricing for expedited mail began
  • 2007 BCE

    2007

    “Forever” stamp issued
  • 2006 BCE

    2006

    Postal Accountability and Enhancement Act signed
  • 1998 BCE

    1998

    U.S. semipostal stamp issued
  • 1994 BCE

    1994

    Postal Service launched public Internet site
  • 1993 BCE

    1993

    National Postal Museum opened
  • 1992 BCE

    1992

    Self-adhesive stamps introduced nationwide
  • 1983 BCE

    1983

    ZIP+4® Code began
  • 1982 BCE

    1982

    Last year Postal Service™ accepted public service subsidy
  • 1974 BCE

    1974

    Self-adhesive stamps tested
  • 1971 BCE

    1971

    United States Postal Service® began operations
  • 1971 BCE

    1971

    Labor contract negotiated through collective bargaining, a federal government "first"
  • 1970 BCE

    1970

    Express Mail® began experimentally
  • 1963 BCE

    1963

    ZIP Code inaugurated
  • 1957 BCE

    1957

    Citizens' Stamp Advisory Committee established
  • 1950 BCE

    1950

    Residential deliveries reduced to one a day
  • 1918 BCE

    1918

    Scheduled airmail service began
  • 1913 BCE

    1913

    Parcel Post® began
  • 1896 BCE

    1896

    Rural free delivery began
  • 1893 BCE

    1893

    First commemorative stamps issued
  • 1874 BCE

    1874

    General Postal Union (now Universal Postal Union) established
  • 1873 BCE

    1873

    U.S. postal cards issued
  • 1863 BCE

    1863

    Free city delivery began
  • 1860 BCE

    1860

    Pony Express began
  • 1855 BCE

    1855

    Prepayment of postage required
  • 1847 BCE

    1847

    U.S. postage stamps issued
  • 1775 BCE

    1775

    Benjamin Franklin appointed first Postmaster General by the Continental Congress