(Mental Floss) -- We all know about the Confederate states leaving the Union. But that was far from the only secessionist movement in American history. Here are some rebellious regions you won't find in too many history books. This map shows some rebellious regions that have tried to seceed from the United States. 1. The Kingdom of Beaver Island Beaver Island, a small island in Lake Michigan, became the home of Mormon leader James Strang and his followers -- called Strangites -- in 1848. Two years later, Strang declared himself king of the church -- complete with crown, scepter, robe, and a harem of 15 wives.
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Mormon leader James Strang named himself king of Beaver Island, Michigan
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Key West mayor declared Florida Keys were seceding from Union in 1982
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Northern California and southern Oregon have been trying to merge since 1852
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"Yoopers" and "Trolls" are forced to get along in Michigan
The community has even minted a series of limited edition one-conch dollar coins that can be used as legal tender while in the @placeholder.