The 1916 Stanley Cup Final was played between the National Hockey Association (NHA) champion Montreal Canadiens and the Pacific Coast Hockey Association (PCHA) champion Portland Rosebuds. This was the first time that a best-of-five Cup championship went the distance. Also, the Rosebuds were the first team based in the United States to play for the Cup. Stanley Cup trustees ruled before the Stanley Cup Final that the Stanley Cup as the World professional hockey championship can not be limited to just Canadian teams. The Canadiens defeated the Rosebuds three games to two in the best-of-five-game series. This was the Canadiens' first Stanley Cup championship. Won the 1916 Stanley Cup Final on March 30, 1916. Wiki link