ALTERNATE NAMES: Odin’s Cross, Sun Cross, Wheel CrossThe white supremacist version of the Celtic Cross, which consists of a square cross interlocking with or surrounded by a circle, is one of the most important and commonly used white supremacist symbols. Although usually called a Celtic Cross by white supremacists, its origins date to the pre-Christian "sun cross" or "wheel cross" in ancient Europe. Norwegian Nazis used a version of the symbol in the 1930s and 1940s. After World War II,…