The 1964 NBA World Championship Series was the championship round of the 1964 NBA playoffs, which concluded the National Basketball Association 1963–64 season. The best-of-seven series was played between the Western Division champion San Francisco Warriors and the Eastern Division champion Boston Celtics. This was the Celtics' eighth straight trip to the championship series, as they won the series over the Warriors, 4–1, securing their sixth consecutive NBA title. Won the 1964 NBA Finals on April 26, 1964. Wiki link