The ancient Greek Olympics were a series of athletic competitions held every four years in Olympia. They began in 776 BC and were dedicated to the god Zeus. The Olympics were both a religious festival and a sporting event, bringing together different Greek city-states. They promoted unity, athletic excellence, and religious devotion. Winners gained fame and honor, which could improve their social status.

The primary cause of the Olympics was religious devotion to Zeus, and the desire to unite Greek city-states. Other causes included promoting physical fitness and celebrating Greek cultural identity. The festivals also served as a peaceful way to resolve conflicts temporarily. The games encouraged competition and excellence among Greek athletes.

The Olympics had long-term effects on Greek culture, including the emphasis on physical education and athletic excellence. They influenced later sporting traditions and cultural festivals. The games contributed to the idea of a pan-Hellenic identity. In modern times, the Olympics have become a symbol of international unity and peace.