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History
Timeline of significant events in the company's history

1847

Chicago Tribune founded

  Chicago Tribune prints first edition on June 10
1861

"Tribune Company" established as an Illinois corporation

1924

WGN Radio signs on in Chicago

1925

Tribune Tower opens in Chicago

1948

WGN-TV signs on in Chicago

 

WPIX-TV signs on in New York

1963

Tribune acquires South Florida Sun-Sentinel

1965

Tribune acquires Orlando Sentinel

1966

Tribune acquires KWGN-TV in Denver

1968

Tribune restructured as a Delaware corporation

1975

Tribune Entertainment starts syndication of "U.S. Farm Report"

1978

WGN-TV becomes a "superstation," reaching television audiences nationwide via cable

1981

Tribune acquires the Chicago Cubs

 

Tribune Broadcasting Company established

1982

Tribune Entertainment Company established

1983

Tribune Company goes public

 

Tribune acquires WGNO-TV in New Orleans

 

Tribune, with ticker symbol TRB, becomes a publicly traded company on October 13

1984

Tribune acquires WGNX-TV in Atlanta

1985

Tribune acquires KTLA-TV in Los Angeles

1986

Tribune acquires Daily Press in Newport News, Va.

1987

Tribune Entertainment launches Geraldo daytime talk show

1991

Tribune invests in America Online

 

"KTLA Morning News" debuts -- Tribune’s first morning newscast

1992

Tribune acquires WPHL-TV in Philadelphia

 

Chicago Online debuts on America Online

1993

Full text of Chicago Tribune becomes available online

 

CLTV cable news channel launches in Chicago

 

Tribune launches ¡Exito!

1994

Tribune acquires WLVI-TV in Boston

1995

Tribune gains an equity interest in The WB Television Network

 

Tribune Media Center opens in Washington, D.C.

 

CareerFinder launches on the Internet

1996

Tribune acquires KHWB-TV in Houston

 

Tribune acquires KSWB-TV in San Diego

 

Chicago.tribune.com launches

1997

Tribune acquires Renaissance Communications --

 

six television stations join Tribune Broadcasting Company:

 

  KDAF-TV in Dallas

    WBZL-TV in Miami
    KTXL-TV in Sacramento
    WXIN-TV in Indianapolis
    WTIC-TV in Hartford
    WPMT-TV in Harrisburg
 

Orlando Sentinel/Time Warner launch Central Florida News 13

 

Metromix.com launches

 

Tribune Entertainment launches "Earth:Final Conflict"

1998

Tribune acquires KTWB-TV in Seattle

 

Tribune acquires WXMI-TV in Grand Rapids

 

Tribune assumes management of WTXX-TV in Hartford

 

First DTV station built; KTLA DT in Los Angeles

1999

Tribune acquires WBDC-TV in Washington, D.C.

 

Tribune acquires WEWB-TV in Albany, N.Y.

 

Tribune trades WGNX-TV in Atlanta for KCPQ-TV in Seattle

 

Tribune Interactive Inc. established

2000

Tribune acquires WATL-TV in Atlanta

 

Tribune acquires WNOL-TV in New Orleans

 

CareerBuilder acquired in partnership with Knight Ridder

 

Tribune acquires The Times Mirror Company

 

Eight daily newspapers join Tribune Publishing Company:

 

  Los Angeles Times

 

  The Sun (Baltimore)

 

  Newsday (New York)

 

  Hoy (New York)

 

  The Morning Call (Allentown, Pa.)

 

  Hartford Courant

 

  Greenwich Time (Greenwich, Conn.)

 

  The Advocate (Stamford, Conn.)

 

Tribune Education sold to The McGraw-Hill Companies

 

Chicagosports.com launches

 

Tribune Media Net created

 

Tribune Entertainment launches "Andromeda"

2001

Orlando Sentinel launches El Sentinel

 

Tribune/CareerBuilder/Knight Ridder acquire Headhunter.net

 

Tribune Entertainment launches "Mutant X"

2002

Tribune acquires WTTV-TV in Indianapolis

 

Chicago Tribune Company acquires Chicago magazine

 

Sun-Sentinel launches el Sentinel

 

Tribune Entertainment launches "Adventure Inc."

 

Chicago Tribune launches RedEye edition

2003

Tribune acquires KPLR-TV in St. Louis

Tribune acquires KWBP-TV in Portland

Tribune Publishing launches Hoy in Chicago

  Tribune Publishing launches amNewYork as majority owner
2004

Tribune Publishing launches Hoy in Los Angeles

Tribune/Gannett/Knight Ridder acquire CrossMedia Services and launch ShopLocal.com

2005 Tribune/Gannett/Knight Ridder acquire Topix.net
2006 Tribune Broadcasting affiliates with The CW Network
  Tribune Broadcasting affiliates with Tube Music Network in first multicast initiative
  Tribune Interactive acquires ForSaleByOwner.com
  Tribune announces 75 million share stock repurchase
  Tribune/Gannett expand equity stakes in CareerBuilder.com, ShopLocal.com and Topix.net
  Tribune Publishing acquires full ownership in amNewYork
2007 Tribune becomes private company
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