In which year did a streaker run naked across the stage?

In which year did a streaker run naked across the stage?

A 1975
B 1974
C 1976

33-year-old Robert Opal didn’t worry too much about what to wear when he made Oscars history by running across the stage naked just as actor David Niven was about to present the award for Best Picture. Opal said later that that stunt was intended to draw attention to the Gay Rights movement.

The correct answer is 1974.