os um ▁size ▁and ▁en larg ed ▁later al ▁vent ric les . ▁ ▁References ▁ ▁External ▁links ▁ ▁Further ▁reading ▁ ▁Category : Gen es ▁mut ated ▁in ▁m ice <0x0A> </s> ▁Modern ▁lac ros se ▁in ▁Canada ▁has ▁been ▁a ▁popular ▁sport ▁since ▁the ▁mid ▁ 1 8 0 0 s . ▁Only ▁field ▁lac ros se ▁was ▁played ▁until ▁the ▁ 1 9 3 0 s , ▁when ▁box ▁lac ros se ▁was ▁invent ed . ▁In ▁ 1 9 9 4 ▁Parliament ▁passed ▁the ▁National ▁Sports ▁of ▁Canada ▁Act ▁which ▁declared ▁lac ros se ▁to ▁be ▁" Can ada ' s ▁National ▁Summer ▁Sport ", ▁with ▁ice ▁hockey ▁as ▁the ▁National ▁Winter ▁Sport . ▁ ▁History ▁ ▁Lac ros se ▁was ▁played ▁by ▁First ▁Nations ▁pe op les ▁before ▁the ▁arrival ▁of ▁European ▁colon ists . ▁The ▁first ▁documented ▁description ▁of ▁the ▁game ▁was ▁in ▁ 1 6 3 7 . ▁The ▁game ▁was ▁called ▁b agg ata way ▁and ▁te wa ar athon , ▁which ▁was ▁played ▁by ▁two ▁teams ▁with ▁ 1 0 0 ▁to ▁ 1 , 0 0 0 ▁men ▁each ▁on ▁a ▁field ▁that ▁stretch ed ▁from ▁about ▁ ▁to ▁ ▁long . ▁ ▁The ▁Ang lo phone ▁middle ▁class ▁of ▁Montreal ▁adopted ▁the ▁game ▁in ▁the ▁mid ▁ 1 8 0 0 s . ▁The ▁first ▁known ▁game ▁between ▁whites ▁and ▁First ▁Nations ▁took ▁place ▁in ▁ 1 8 4 3 . ▁ ▁In ▁ 1 8 5 6 , ▁the ▁Montreal ▁lac