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Allectus was a Roman usurper who controlled Britain from 293 to 296 CE. He had served as the finance minister to Marcus Aurelius Carausius, who had previously declared himself emperor in Britain. After murdering Carausius, Allectus seized control of the island. His reign was relatively short, as Constantius I, a Roman emperor, launched an expedition to reclaim Britain. In 296, Allectus was defeated and killed in battle, and Roman rule was re-established.12

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