Swimming at the 1980 Summer Olympics - Women's 100 metre butterfly
The final of the Women's 100 metres Butterfly event at the 1980 Summer Olympics was held in Moscow, Soviet Union, on Thursday 24 July 1980.
...
Wikipedia
The final of the Women's 100 metres Butterfly event at the 1980 Summer Olympics was held in Moscow, Soviet Union, on Thursday 24 July 1980.