By place Roman Empire • Emperor
Constantius II invades northern
Italy in pursuit of the usurper
Magnus Magnentius, who withdraws with his army to
Gaul. He declares an
amnesty for Magnentius' soldiers, many of whom desert to him. • By the end of the year Constantius enters
Milan. • The
Alamanni and the
Franks cross the Rhine and defeat the depleted Roman units left at the frontier. The Germans take control of around 40 towns and cities between the
Moselle and the
Rhine. •
Constantius Gallus sends his general (
magister equitum)
Ursicinus to forcefully put down the
Jewish revolt in
Palestine. The rebels destroy the cities
Diopolis and
Tiberias, while
Diocesarea is razed to the ground. Ursicinus gives the order to kill thousands of
Jews, even
children. After the revolt, a permanent
garrison is stationed in
Galilee.
Asia • War begins between the
Huns and the
Alans. •
Ran Wei is destroyed after
Ran Min is killed by
Murong Jun, the
Xianbei emperor of the
Former Yan.
By topic Art and Science • The earliest sighting of a
supernova occurs in
China.
Religion •
May 17 –
Pope Julius I dies after a 15-year reign in which he has made himself the chief opponent of
Arianism. He is succeeded by
Pope Liberius as the 36th
pope, who immediately writes to Constantius II requesting a council at
Aquileia to discuss the former Alexandrian patriarch
Athanasius, who opposes the Arian belief to which the emperor subscribes. == Births ==