350. Death of Constans.
351. Battle of Mursa.
353. Death of Magnentius.
355. Julian Cæsar in Gaul. Council at Milan.
356 (Feb. 8)-362 (Feb. 22). Third exile of Athanasius.
357. Sirmian manifesto.
358. Council at Ancyra. Hilary de Synodis.
359 (May 22). Conference at Sirmium. The dated creed. Councils of Ariminum and Seleucia. Athanasius de Synodis.
360 (Jan.) Julian Augustus at Paris. Council at Constantinople. Exile of Semiarians.
361. Appointment and exile of Meletius. (Nov.) Death of Constantius.