Baseball unofficially debuted at the 1904 Summer Games, and became an official Olympic sport at the 1992 Summer Olympics.

The Olympic Hymn was first played at the 1896 Olympic Games in Athens but wasn't declared the official hymn by the IOC until 1957.

The 1932 Summer Olympics were celebrated in 1932 in Los Angeles, California. No other cities made a bid to host these Olympics.

Japan won 5 of 6 gold medals in the men's swimming events.

Tennis was played at the Olympics until 1924, then reinstituted in 1988.