The 1974 NBA World Championship Series was the championship round of the 1973–74 National Basketball Association (NBA) season. The Eastern Conference champion Boston Celtics defeated the Western Conference champion Milwaukee Bucks in seven games to win their twelfth NBA championship. This was the last time the Celtics won a Game 7 on the road until 2022. Won the 1974 NBA Finals on May 12, 1974. Wiki link