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 Sandusky their territory. But in 1761 British General Jeffery Amherst ordered the erection of Fort Sandusky on Sandusky Bay in order to strengthen the line of defense from Fort Detroit, near the western end of Lake Erie, to central Lake Erie, and to Fort Pitt at the confluence of the Allegheny and Monongahela rivers, which controlled access to the Ohio River and the western frontier of the British colonies. The Seven Years' War continued in Europe until 1763 between Britain and France. Fort Sandusky was a small British fort established on the southeastern shore of Sandusky Bay off Lake Erie in