Which Roman emperors did Constantine serve under before becoming emperor?
Diocletian and Galerius
Augustus and Tiberius
Nero and Vespasian
Trajan and Hadrian
Answer
Constantine served with distinction under Roman emperors Diocletian and Galerius. He began his career by campaigning in the eastern provinces before being recalled to the west to fight alongside his father in Britannia.
Constantine the Great Trivia Challenge: 21 Questions to Test Your Expertise