Arianism was a heretical sect founded by Arius in the 4th century. in 354, at the Council of Nicaea, the sect was denounced. (AUDIO: The Council of Nicaea). Isaac Newton was an Arian. (AUDIO: Summer) Retrieved from "https://tardis.fandom.com/wiki/Arianism?oldid=2682282" Categories: Religion stubs Christianity Christian denominations Community content is available under CC-BY-SA unless otherwise noted.