Industry WIKI

Cosimo di Giovanni de' Medici (27 September 1389 – 1 August 1464) was an Italian banker and politician who became the de facto ruler of Florence during the Italian Renaissance, and was the first to establish the Medici family as its effective leaders for generations.

Piero di Cosimo de' Medici, known as Piero the Gouty (Italian: Piero "il Gottoso"), (1416 – 2 December 1469) was the de facto ruler of the Republic of Florence from 1464 to 1469, during the Italian Renaissance.