The modern form of ice hockey began in Canada in the late 19th century, and is widely considered Canada's national pastime, with high levels of participation by children, men and women at various levels of competition. The Stanley Cup, considered the premiere trophy in professional ice hockey, originated in Canada in 1893. Prominent trophies for national championships in Canada are the Memorial Cup for the top junior-age men's team and the Allan Cup for the top men's senior team. There are national championships in several other divisions of play. Hockey Canada is the sport's official governing body in Canada and is a member of the International Ice Hockey Federation(IIHF). A Canadian national men's team, composed of professionals, competes in the annual IIHF Men's World Championship and in the Olympics.