Michigan Territory Michilimackinac, then Detroit; this was essentially a military regime that reported to the governor-general at Quebec. Its role was to supply the needs of the fur traders and discourage any settlements not directly supportive of that effort. After the surrender of Montreal in 1760, British troops under Robert Rogers occupied Detroit and its dependent posts. In 1763, Pontiac's Rebellion saw the fall of Fort Michilimackinac to the northern tribes, and a lengthy siege of Fort Detroit. The siege was lifted in 1764, and rule under a British lieutenant-governor at Detroit followed soon thereafter. Due to the Quebec Act of 1774,
Fort Detroit by the British after the French surrendered Montreal in 1760 during the French and Indian War (part of the Seven Years' War). The British held it until the American Revolutionary War, and it was taken over by the United States afterward. They built Fort Lernoult to the north along the river in 1779. This was later renamed as Fort Shelby and was abandoned by the US military in the 1820s. The city of Detroit demolished Fort Shelby in 1827. Cadillac ordered Fort Detroit built on the west side of the Detroit River in an effort to prevent British colonists from