When did figure skating start being played in the Olympics?

Field Hockey was added to the Olympic summer program in 1908. It was removed in 1924, for lack of a governing international body, but readded in time for 1928 and has been played at every Summer Games since. Women's hockey was also added in 1980.

Ice Hockey was added to the Olympic summer program in 1920. It was then moved to the winter program in 1924 and has been played at every Winter Games since. Women's hockey was also added in 1998, after IOC approval in 1992.