History's Greatest Mysteries S7E9 Airs April 6 on History
March 29, 2026·about 5 hours ago·via IMDb
History's Greatest Mysteries drops Season 7 Episode 9, "The Plot to Kill Lincoln," on April 6, 2026, right on the History Channel. The episode dives into whether Abraham Lincoln's assassination was just John Wilkes Booth's solo act or part of a massive conspiracy cooked up months earlier. It explores theories of larger plots involving Confederate sympathizers and secret societies like the Knights of the Golden Circle. Read more about this...