At the 1896 Summer Olympics, four swimming events were contested, all for men.
There will be 4 events contested two each for men and women.
At the 1908 Summer Olympics, four rowing events were contested, all for men only.
At the 1908 Summer Olympics, seven track cycling events were contested, all for men only.
At the 1972 Summer Olympics, 20 wrestling events were contested, all for men.
Singles, doubles, and team events were contested for both men and women.
At the 1904 Summer Olympics, nine swimming events were contested, all for men.
At the 1896 Summer Olympics, two tennis events were contested, both for men.
Six events were contested, all for men only.
At the 1960 Summer Olympics, 16 wrestling events were contested, all for men.