Known as Mitra to the Indians, Mithra and Zarathustra (Zoroaster in Greek) to the Iranians, and Mithras to the Romans, this is the oldest of all living deities. Mithras was recognized as the greatest rival of Christianity, a greater threat even than the religion of Isis. If Rome had not become Christian, it would have become Mithrasian. Mithraisians had a sacrament that included wine as a symbol of sacrificial blood. Bread in wafers, or small loaves...