Constantine I was a Sun Worshiper who ruled early in the 4th century. He was the first Christian emperor. He pass the Sunday Sabbath Law in 321 AD. He saw the empire begin to become a mixture of sun worshipers and Christians state. The Sabbath commandment is dissociated from this practice. Jesus said in vain they worship me. Teaching for doctrines the commandments of men. Matthew 15; 9 Please use previous book bio - Mark of God 64598.