How Many Years Once Olympics Is Held. The ancient olympic games were a sporting event held every four years at the sacred site of olympia, in the western peloponnese, in honour of zeus, the supreme god of the. The answer goes back to ancient history.

Sports contests organised at olympia were held every four years and eventually acquired the name ‘olympic games’. The international olympic committee decided to stagger them after the 1992 games, leading to the one time the winter games were held two years apart.