314. Constantine and Licinius have their first war; the latter is vanquished. See "Conversion of Constantine," iii, [289].
315. Constantine issues an edict against infanticide; another edict condemns to be burned alive any Jews who persecute or ill-treat converts from their sect to Christianity.
318. Beginning of the Arian controversy.
321. Constantine makes an edict ordering the Aruspices to be consulted in certain cases, according to the ancient form. Two others prescribe the observance of Sunday.
323. Licinius is overcome by Constantine, who becomes sole master of the Roman Empire. See "Conversion of Constantine," iii, [289].
324. Constantine, who had promised his sister not to injure Licinius, orders Licinius to be strangled.
325. Council of Nice, the first general council of the Church; the followers of Athanasius pronounce the condemnation of the Arians. See "First Nicene Council," iii, [299].
326. Helena, saint and Empress, visits Palestine and founds churches there.
329. Frumentius preaches Christianity to the Abyssinians.
330. Removal of the capital of the Roman Empire from Rome to Byzantium. See "Foundation of Constantinople," iii, [320].