Original: The 1960s and 1970s were a major boom period for the Olympic, as major wrestling events were held at the arena every other Friday night, as well as being the home to the roller-derby's Los Angeles T-Birds.
Simplified: The 1960s and 1970s were a major boom period for the Olympic Auditorium, as major wrestling events were held at the arena every other Friday night. It was the home of the T-Birds, who played a game called "Roller Derby".