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Military Action

British force captures Fort Mackinac on Mackinac Island

A British detachment under Captain Charles Roberts, aided by Indigenous allies, seized Fort Mackinac without bloodshed, surprising the American garrison on July 17, 1812.

British force captures Fort Mackinac on Mackinac Island

The capture gave Britain control of the upper Great Lakes, disrupted American supply lines and communications, and strengthened British and Indigenous positions early in the War of 1812.

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