Editing 657 BC (section)

===By place===

==== Asia Minor ====

* King [[Gyges of Lydia]] establishes a [[Government monopoly|state monopoly]] in metal [[Coin|coinage]], making it illegal for individuals to issue the bean-shaped lumps of [[electrum]] used as a medium of exchange in place of commodities (approximate date). 

==== Greece ====

* [[Cypselus]] becomes the first [[tyrant]] of [[Corinth]].

==== China ====

* The [[Li Ji Unrest]], a series of events that ends in [[651 BC]], initiates when [[Li Ji (concubine)|Li Ji]], the concubine of [[Duke Xian of Jin]], attempts to have her son [[Xiqi]] placed on the [[throne]] of [[Jin (Chinese state)|Jin]].