As of the 2007-08 season, the two newest teams in the NHL are the Columbus Blue Jackets and the Minnesota Wild who started play in the 2000-01 season.
1924 Boston Bruins
The Scouts joined the NHL as an expansion team in the 1974-75 season.
The Canucks joined the NHL in 1970 because there was a large fan base and the city of Vancouver had already built an arena for an NHL team (The Pacific Colosseum).
Indiana does not have an NHL team.