It started in 1920 in the summer olympics.
It started in 1920 in the summer Olympics then was transferd permanently to the winter games in 1924.
The first year hockey was played in the Winter Olympics was 1908.
I am not exactly sure when womens waterpolo started but womens waterpolo in the Olympics around the year 2000. Hope this helps!
27 JULY 2012 (more exactly 25 July with womens football)
Ice hockey has been a part of the Olympics since 1920. In 1924, it was moved from the Summer Olympics to the Winter Olympics.
The men's hockey tournament was introduced in 1920 and was permanently added to the Olympics in 1924.
playing hockey with tomatos in underwear