His father's children contest illegitimate Leonardo's right to inherit property, and a German laborer accuses him of sorcery.
Both Leonardo and his rival, Michelangelo, are contracted to paint a wall of the Palazzo Vecchio. Leonardo designs a flying machine.
Leonardo flees Milan to make a new start in Florence. He conceives military weapons, including the first submarine and diving equipment.
Leonardo moves to Milan to become court artist for Lodovico Sforza. He dissects corpses and makes detailed drawings of human anatomy.
Ser Piero da Vinci fathers an illegitimate son by a peasant girl in 1452 and raises him in central Italy. In the 1460's young Leonardo is apprenticed to painter/sculptor Andrea del Verrocchio in Florence.