Question

why did the ancient Olympics game declined?​

Answer 1

The ancient Olympics stopped because of a ban on pagan festivals by the emperor Theodosius I. ... In 393 A.D., the emperor Theodosius I issued a decree suppressing all pagan festivals to bolster Rome's state religion, Christianity. This decree officially killed the Olympic Games.

Answer 2

Answer:

Emperor Theodosius I, was a Christian, who called for a ban on all “pagan” festivals, ending the ancient Olympic tradition for nearly 12 centuries. With the rise of Rome, the Olympics declined, and also he wanted to suppress paganism in the Roman Empire so abolished the ancient Olympic Games.