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
Box lacrosse places at the World Indoor Lacrosse Championships. Lacrosse is a traditional indigenous people's game and was first encountered by Europeans when French Jesuit missionaries in the St. Lawrence Valley witnessed the game in the 1630s. Lacrosse for centuries was seen as a key element of cultural identity and spiritual healing to Native Americans. It originated as a field game and was adopted first by Canadian, American, and English athletes as a field game, eventually settling on a 10 v 10 format. Box lacrosse is a modern version of the game that was invented in Canada during the 1920s and 1930s.