Taekwondo
It depends on the tournament. At the 2008 Olympics there were 8 events: (1) Men's flyweight sparring, (2) Men's featherweight sparring, (3) Men's welterweight sparring, (4) Men's heavyweight sparring, (5) Women's flyweight sparring, (6) Women's featherweight sparring, (7) Women's welterweight sparring, (8) Women's heavyweight sparring. At the 2009 World Taekwondo Championships there were sixteen events: (1) men's finweight sparring, (2) men's flyweight sparring, (3) men's bantamweight sparring, (4) men's featherweight sparring, (5) men's lightweight sparring, (6) men's welterweight sparring, (7) men's middleweight sparring, (8) men's heavyweight sparring, (9) women's finweight sparring, (10) women's flyweight sparring, (11) women's bantamweight sparring, (12) women's featherweight sparring, (13) women's lightweight sparring, (14) women's welterweight sparring, (15) women's middleweight sparring and (16) women's heavyweight sparring, At the 2009 Amateur Athletic Union (AAU) Junior Olympic Games there were 72 events. the forms events were divided by gender, age and belt ranking. There was also a form event for teams. The fighting events were divided by gender, weight and belt ranking. At the 2009 fall tournament sponsored by the Taekwondo of America Association there were a variety of events in forms, demonstration teams, breaking and sparring.
Snowboarding became an Olympic event in 1998.
Luge as been an Olympic event since 1964.
Tennis became an Olympic event the year of 1896
In 1992
1936
The new sports added to the olympic program for the Sydney 2000 games were the triathalon and taekwondo.
it became an olympic event in the summer of 1920
1943
in 1984
1896