The name of hockey originates from French, which means "shepherd's stick". Hockey is a ball game in which both sides hit the ball into each other's goal with a hockey stick. Hockey, one of the oldest sports in the world, appeared more than 1200 years earlier than the original Olympic Games.
Hockey events derived from hockey include ice hockey, double row roller skating, single row roller skating, etc. among them, hockey has NHL League in the United States, which is more popular than NBA. Double row roller skating has thousands of professional athletes in Europe. It is the competition event of Barcelona Olympic Games in 1992. Single row roller skating is popular in the United States and is the land version of hockey.