Multiple choice Why did the Olympic Games cease in A.D. 393? The Greeks no longer honoured Zeus. The Roman emperor banned all pagan festivals. Mt Vesuvius erupted destroying Pompeii. The Greeks were at war with Troy. Reveal answer Fill a bubble to check yourself B Correct answer Explanation In A.D. 393, the Christian Roman Emperor Theodosius I banned all pagan festivals and cults, which included the ancient Olympic Games. This brought an end to a tradition that had lasted for over a millennium.