In May 1790, Alexander McKee, Deputy Agent of the British Indian Department and the principal chiefs of the Ottawa, Potawatomi, Chippewa and Wyandot negotiated a treaty whereby the British Crown acquired title to what is now southwestern Ontario. This treaty completed the process begun with Niagara treaties of 1781 and 1784, with the result that most of the Ontario peninsula was soon opened to British and Loyalist settlement. *Note: This designation has been identified for review. A review can be triggered for one of the following reasons - outdated language or terminology, absence of a significant layer of history, factual errors, controversial beliefs and behaviour, or significant new knowledge.