Battle of the Thousand Islands Fort Niagara. Battle of the Thousand Islands The Battle of the Thousand Islands (also known as the Siege of Montreal) was an engagement fought on 16–24 August 1760, in the upper St. Lawrence River, among the Thousand Islands, along the present day Canada–United States border, by British and French forces during the closing phases of the Seven Years' War, as it is called in Canada and Europe, or the French and Indian War as it is referred to in the United States. The engagement took place at Fort Lévis (about one mile (1.6 km) downstream from the modern Ogdensburg–Prescott International
Ten Thousand Islands at the northern end of the Ten Thousand Islands was occupied year-round 3,500 years ago, and other sites are presumed to have been inundated by a rise in sea level. The material culture of the Indians living in the Ten Thousand Islands was distinctive enough to be classified as, at least, a sub-area of the Glades culture area. Almost all of the Ten Thousand Islands are currently uninhabited. The largest, Chokoloskee Island, which is connected to Everglades City by a causeway, has about 400 permanent residents. Other islands have been sporadically inhabited in the 19th and 20th centuries by individuals