Conspiracy of the Crazy ones. The attack against the De'Medici family put in existence from the family of Florentine bankers of the Crazy ones; happened 26 April 1478 with the objective to turn upside down the lordship of the Doctors to Florence. The two siblings Giuliano and Lorenzo the Magnificent one came surprises from the sicari during a religious ceremony in the Dome. Giuliano remained victim of a murder; Lorenzo defense with maximum strength and with the support of the population it succeeded to escape. Little days after the attack the members of the family of the Crazy ones that the attack and their accomplices organized came hanged people. Recording of Run F.; prints colored; XIX century.