The Heritage Classic was an outdoor ice hockey game played on November 22, 2003, in Edmonton, Alberta, Canada, between the Edmonton Oilers and the Montreal Canadiens. It was the first National Hockey League game to be played outdoors as a part of regular season play. The Heritage Classic concept was modeled after the success of the "Cold War" game between the University of Michigan and Michigan State University in 2001. The game was given the tagline "A November to Remember". The event took place in Edmonton's Commonwealth Stadium in front of a crowd of 57,167, despite temperatures of close to -18 °C, -30 °C (-22 °F) with wind chill. It was held to commemorate the 25th anniversary of the Edmonton Oilers joining the NHL in 1979 and the 20th anniversary of their first Stanley Cup win in 1984. The CBC television broadcast also set the record for most viewers of a single NHL game with 2.747 million nationwide. This was the first NHL game broadcast in HD on CBC