Input (grade 13): 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.
Output (grade 12): 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.