1st
China had a team of 396 athletes
The People's Republic of China first competed at the 1952 Summer Games in Helsinki when they sent one athlete, a swimmer named Wu Chuanyu, to the Games. They did not compete in another Olympics until the 1980 Winter Olympics in Lake Placid. They have competed in every Winter Olympics since then and competed in every Summer Olympics since 1984.
252 athletes competed at the 1932 Winter Olympics.
311 men competed in those Olympics in Athens. They were all men.
3,684 women athletes competed in the 1996 Olympics held in Atlanta, Georgia.
There are four strokes competed in the Olympics ... breaststroke, backstroke, butterfly, and freestyle.
This is her first Olympics
42
Japan has competed in the Olympics since 1912 so that's 100 years exactly :)
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975