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  • Printing Press with movable type

    1440
    (null)

  • Founding of Regional Newspapers

    1844–1892

  • Wet Plate Negatives

    1851
    (null)

  • Completion of the First Transcontinental Railroad

    May 1869

  • Invention of the Edison Phonograph

    7/18/1877 – 12/31/1929
    (null)

  • Edison's First Movie

    1889
    (null)

  • First Broadcast Station

    1909
    (null)

  • WNBC signs on for the first time as WEAF

    March 2, 1922

  • Your Hit Parade

    1935–1953

  • The Golden Age of Radio

    1935–1950

  • First Televison Broadcast NBC/RCA

    1936
    (null)

  • Golden Age of Television

    1950–1970

  • First Color Television National Broadcast

    1954–1970
    (null)

  • American Top 40

    1970–1983

  • Betamax, VHS VCRs Introduced to Market

    November 1975 – September 1976
    (null)

  • Last M*A*S*H Episode

    2/28/83
    (null)

  • World Wide Web

    1990–2000
    (null)

  • Broadband Era

    2001–2014
    (null)

  • iPod

    10/23/01
    (null)

  • iPhone

    2007
    (null)