leonardo davinci By ssunjevaric Apr 15, 1452 Leonardo da Vinci was born. Mar 15, 1460 How Leonardo da vinci worked? Jan 1, 1499 Invented moveable barricades. in Venice Jan 19, 1783 Frst parachute flight. Feb 22, 1914 First world war. Leonardo da vinci invented tanks and machineguns Jan 19, 1963 Helicopter
