Complex sentence: In 374 Valens banished him to Thrace, a region in the Balkan Peninsula, but after the Emperor's death in 378, Eusebius was restored to his see of Samosata.
Split into simpler sentences: In 374 Valens banished him to Thrace, a region in the Balkan Peninsula. After the Emperor's death in 378, Eusebius was restored to his see of Samosata.