The Territory of Michigan was occupied by the United Kingdom during the War of 1812 and was at least nominally a part of the Province of Upper Canada.
History Fall of Detroit On 16 August 1812, after a short siege, American Governor and General William Hull surrendered Detroit to a coalition of British and indigenous forces from Upper Canada, led by Major General Isaac Brock and Chief Tecumseh. Colonel Henry Procter, Brock's second-in-command was appointed civil governor. The reaction of the American public and government officials to Hull's surrender was that of disbelief and fury. For the first time since the American Revolutionary War, British forces occupied American territory.
End of the occupation Following the American naval victory at the Battle of Lake Erie, the British abandoned the Michigan Territory. On 29 September 1813, elements of Major General William Henry Harrison's Army of the Northwest arrived in Detroit. American control over Michigan was restored.
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