In 1434, he won control of Florence’s government. He did not seek political office for himself, but influenced members of the ruling council by giving them loans. For 30 years, he was dictator of Florence.
Cosimo de Medici died in 1464, but his family continued to control Florence. His grandson, Lorenzo de Medici, came to power in 1469. Known as Lorenzo the Magnificent, he ruled as a dictator yet kept up the appearance of having an elected government.