c. 657 BC — King Gyges of Lydia establishes a state monopoly in metal coinage, making it illegal for individuals to issue the bean-shaped lumps of electrum used as a medium of exchange in place of commodities.
657 BC — The Li Ji Unrest is a series of events from 657BC to 651BC that takes place during the Spring and Autumn period, caused by Li Ji, the concubine of Duke Xian of Jin, in order to put his son Xiqi onto the throne of Jin.
656 BC — Thebes submits to the Egyptian ruler Psamtik I of Sais, who has allied himself with Gyges of Lydia and employs Libyan soldiers in a rebellion against Assyrian rule with help from Carian and Ionian mercenaries. Psamtik permits the city's mayor Mentuemhat to retain his position, who is not only the most powerful Theban but also the fourth prophet of Amon.
652 BC — Guan Zhong urges the Duke of Qi to maintain the respect of the other states by refusing the offer of the son of a recently defeated state's ruler to ally himself with Qi if Qi would help him depose his father.
651 BC — King Ashurbanipal defeats the Babylonian army of his half brother Shamash-shum-ukin and surrounds the fortified city of Babylon. Beginning a 3-year siege during which the Assyrians will defeat Shamash-shum-ukin's allies.
651 BC — King Teispes of Anshan (Persia) sends help to Shamash-shum-ukin but his heirs will later be obliged to accept Assyrian overlordship.
↑Saggs, Henry (1962). The Greatness that was Babylon: A Survey of the Ancient Civilization of the Tigris-Euphrates Valley (1sted.). Sidgwick and Jackson.