Box lacrosse The roots of indoor lacrosse are obscure, but its invention has been attributed to one Paddy Brennan, a field lacrosse player and referee from Montreal, who, being annoyed by the constant slowing of play from balls going out of bounds in the field game, experimented with indoor games at the Mount Royal Arena during the early 1920s. Joseph Cattarinich and Leo Dandurand, owners of the National Hockey League's Montreal Canadiens in the 1920s, led the participating ice hockey arena owners to introduce the new sport. In the 1930s, 6 v 6 indoor lacrosse came to be played in the summer
Lacrosse at the 1904 Summer Olympics Lacrosse at the 1904 Summer Olympics The sport of field lacrosse was played at the 1904 Summer Olympics, which marked the first time that lacrosse had been featured at the Olympic Games. Only three men's teams competed — two from Canada and one from the United States. One of the Canadian teams consisted entirely of Mohawk nation players. The Shamrock Lacrosse Team is more commonly known as the Winnipeg Shamrocks, and is unrelated to the then Canadian champions Montreal Shamrocks. A second American team, the Brooklyn Crescents, was originally slated to round out the field but did not participate. In