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 (approximate date).
Cypselus becomes the first tyrant of Corinth.
The Li Ji Unrest, a series of events that ends in 651 BC, initiates when Li Ji, the concubine of Duke Xian of Jin, attempts to have her son Xiqi placed on the throne of Jin.
657 BC Wikipedia (Text) CC BY-SA
