History of the National Hockey League (1967 1992). Summit Series, NHL WHA merger, History of the National Hockey League, 1967 NHL expansion, Original Six, East Division (NHL), West Division (NHL), Los Angeles Kings, Minnesota North Stars, Philadelphia Flyers, California Golden Seals, Pittsburgh Penguins, St. Louis Blues (ice hockey), World Hockey Association, Bobby Hull, Winnipeg Jets, Edmonton Oilers, Hartford Whalers, Quebec Nordiques, New York Rangers, 1967 68 NHL season, 1968 69 NHL season, 1970 71 NHL season, 1971 72 NHL season, 1972 73 WHA season, 1972 73 NHL season, 1974 75 NHL season, 1978 79 WHA season, 1979 80 NHL season, 1980 81 NHL season, 1981 82 NHL season, 1982 83 NHL season, 1983 84 NHL season, 1985 86 NHL season, 1988 89 NHL season, 1991 92 NHL season