We love to watch documentaries about cults because they seem so alien to our normal lives. It is hard to imagine how ordinary people get swept up in radical beliefs and charismatic leaders. However, history shows that these groups are often more influential than we realize. Some started as small spiritual movements and ended in tragedy, while others fundamentally shifted political or cultural landscapes. These weren’t just fringe groups; they were powerful engines of change. Here are eight secretive cults that changed history forever.
