The New International Encyclopædia/Constantine II.

CONSTANTINE II., or Junior, Flavius Claudius Constantinus. A Roman Emperor (A.D. 337–40). He was the eldest son of Constantine the Great, and was born A.D. 317, at Arelate (Arles), in Gaul. He became joint Emperor with his brothers, Constantius and Constans, on the death of their father, in 337, receiving Gaul, Britain, Spain, etc., as his share of the Empire. In 340 he invaded the dominions of Constans, and was killed in the battle of Aquileia (A.D. 340).