688 BCE

688 BC—Greece's games of the 23rd Olympiad are held at Olympia; boxing is added to the Olympic Games that are more and more intended as preparation for war. Icarius of Hyperesia wins the stadion race at the 23rd Olympic Games. 688 BC—Traditional date for the founding of Gela in Sicily by colonists from Rhodes and Crete.

In the 680s BC, the 7th century BC.