The last American invasion of Canada was a curiosity—a group of armed Mohawk Indians who were U.S. citizens traveled to Quebec at the invitation of militants at the Kanesatake Mohawk reservation to protest the expansion of a golf course on disputed land; politics within the Mohawk nation were deeply divided on both sides of the border. On July 11, 1990, after two months of confrontation, over 100 Quebecois police charged the Mohawk militants’ barricades; one of the policemen was killed in the subsequent firefight.
The first minor American invasion of Canada was very minor indeed. James Dickson first appears in history in 1835, when he declared that he would create an Indian federation with himself as president. The first step in his plan to create an empire spanning the western half of North America was to seize the fur outposts of Manitoba, where Métis scouts had a tense relationship with the Hudson’s Bay Company. He left Buffalo, New York in August 1836 with 60 volunteers.