684 BCE

684 BC—Spring and Autumn period: Duke Zhuang, ruler of the Chinese state of Lu, defeats Duke Huan of Qi in the Battle of Changshao. 684 BC—Taharqa gives orders to build a temple to Amun-Re at Kawa. 684 BC—Cleoptolemus of Laconia wins the stadion race at the 24th Olympic Games.

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