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The original was posted on /r/todayilearned by /u/UndyingCorn on 2025-02-19 16:01:34+00:00.

Original Title: TIL In 1863 Copperhead leader Clement Vallandigham was exiled across enemy lines to the Confederacy by order of Abraham Lincoln, who considered him a “wily agitator” but did not want him to become a martyr.