On this day in 1917 the National Hockey League was formed with the Montreal Canadians, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs and Toronto Arenas as its original first teams. 95 years later the NHL has 30 teams, 23 in the United States and 7 in Canada. The team with the most Stanley Cup Championships is the Montreal Canadians with 25. At the moment the NHL is in a lockout that is threatening the entire 2012-13 season.