One of the first competitions he won was the Junior Mr. Europe contest in 1965. He won Mr. Europe the following year, at age 19. He would go on to compete in, and win, many bodybuilding contests. His bodybuilding victories included five Mr. Universe (4 – NABBA [England], 1 – IFBB [USA]) wins, and seven Mr. Olympia wins, a record which would stand until Lee Haney won his eighth consecutive Mr. Olympia title in 1991.

What bodybuilding title did Schwarzenegger win in 1965?