The 2006-07 NHL season was the 89th regular season of the National Hockey League (NHL). Originally, the NHL would have celebrated its 90th anniversary this season; however, the cancellation of the 2004-05 NHL season pushed the 90th season back until the 2007-08 NHL season. The 2007 Stanley Cup Playoffs began on [April 1, 2007 and concluded on June 6, with the Anaheim Ducks defeating the Ottawa Senators to win their first Stanley Cup.