309 deaths

pope

eighth Sasanian emperor (302–309)

The ninth Sasanian emperor (309)

Egyptian saint, martyr and wonder-worker, said to have lived 285-ca. 309

Presbyter of Caesarea

son of Roman Emperor Maxentius (died 309)

Bishop, martyr and saint

Saint Emygdius (Latin: Emidius, Æmedius, Emigdius, Hemigidius; ; – AD) was a Christian bishop who is venerated as a martyr. Tradition states that he was killed during the persecution of Diocletian.

Theothorses (), also known as Thothorses, Fophors or Fofors, was the king of the Bosporan Kingdom, a Roman client state, from 279 to 309. His reign coincided with the Crisis of the Third Century and the Tetrarchy in the Roman Empire.

Child saint

4th-century Syrian Christian hermit