Sept. 1984 - TSN signs on-air as Canada’s first and only national 24-hour all sports television network on September 1.
Feb. 1985 - TSN broadcasts its first NHL Game (All-Star Game)
Apr. 1987 - TSN reaches one million subscribers.
Feb. 1988 - TSN is the first ever specialty network to broadcast the Olympic Games.
Sept. 1989 - TSN’s English Canada reach increases to more than five million households.
Sept. 1989 – RDS, TSN’s French-language counterpart, goes on-air in Quebec and Eastern Canada.
Dec. 1990 – TSN broadcasts its first IIHF World Junior Championship
Sept. 1995 - TSN launches TSN.ca.
Sept. 1997 - Off The Record with Michael Landsberg launches on TSN. OTR has gone on to become Canada’s longest-running talk show.
Feb. 2000 - CTV offers to acquire NetStar Communications, TSN’s parent company.
Aug. 2001 - TSN changes the name of its flagship news and information program to SportsCentre.
Sept. 2001 - TSN introduces its new tagline, ‘Canada’s Sports Leader’.
Aug. 2003 - TSN becomes one of the first two Canadian specialty channels to broadcast its signal in High Definition.
Oct. 2005 - Brian Diesbourg makes national headlines by successfully kicking a 50-yard field goal to win $1 million during a live CFL on TSN broadcast.
Sept. 2006 - TSN becomes the first Canadian broadcaster to deliver a daily newscast in High Definition.
Nov. 2006 - Doug Flutie is voted the CFL’s greatest player in TSN’s Top 50 CFL Players program.
Aug. 2008 – TSN2 is launched.
Nov. 2008 – TSN broadcasts its first Grey Cup game.
Dec. 2008 – Barenaked Ladies and Simple Plan record version of “The Hockey Theme” song for TSN
Jan. 2009 – 3.7 million Canadians watch World Junior Gold Medal game on TSN – highest audience ever on TSN.