By place Roman Empire •
German and Sarmatian campaigns of Constantine: Emperor
Constantine I personally assures the security of the
Danube frontier by defeating the
Goths, the
Vandals and the
Sarmatians. • Constantine has deposed Emperors
Licinius and
Martinian executed in
Thessalonica and
Cappadocia respectively for conspiring and raising troops against him. • Constantine forbids criminals being forced to fight to the death as
gladiators.
China •
April 1 – Crown Prince
Cheng of Jin, age 4, succeeds his father
Ming of Jin as emperor of the
Eastern Jin dynasty. During his reign, he is largely advised by
regents, his uncle
Yu Liang and high-level officials.
By topic Art • The
Colossus of Constantine in the
Basilica of Maxentius and Constantine,
Rome, is perhaps remodelled at about this date. (The remains are moved to the
Palazzo dei Conservatori, Rome, in the 15th century).
Religion •
May 20 –
First Council of Nicaea: Constantine summons an ecumenical council of
bishops in
Nicaea (
Turkey). The
Nicene Creed, adopted on
June 19, declares that the members of the
Trinity (the
Father, the Son, and the
Holy Spirit) are equal. The council decides that
Easter is celebrated on the first Sunday after the first full moon after the vernal equinox.
Arius is exiled to
Illyria; his works are confiscated and
consigned to the flames. == Births ==