Lower Canada Rebellion
When news of the arrest of the Patriote leaders reached Upper Canada, William Lyon Mackenzie launched an armed rebellion in December 1837. In the meantime, filibusters from the United States, the Hunter Patriots, formed a small militia and attacked Windsor, Upper Canada, to support the Canadian Patriots. This resulted in the declaration of martial law by the Lower Canadian government.
Upper Canada
The First Nations occupying the territory that was to become Upper Canada were:Prior to the creation of Upper Canada in 1791 much land had already been ceded by the First Nations to the Crown in accordance with the Royal Proclamation of 1763. During the American Revolutionary War most of the First Nations supported the British. After the Americans launched a campaign that burned the villages of the Iroquois in New York State in 1779 the refugees fled to Fort Niagara and other British posts, and remained permanently in Canada.Land was granted to these allied Six Nations who had served on the British side during the American Revolution by the Haldimand Proclamation (1784). Haldimand had purchased a tract of land from the Mississaugas. The nature of the grant has been under dispute.