1398: Tamerlane captures and sacks Delhi, defeating Sultan Nasir-u Din Mehmud’s armies by setting camels loaded with hay alight and charging them at the Sultan’s armored elephants

1531: Pope Clement VII publishes papal bull “Cum ad nihil magis”, introduces the Inquisition into Portugal at Evora, Coimbra and Lisbon

1788: Russian army of Grigory Potemkin assaults and captures the fortress of Ocharov in modern day Ukraine after a 5 month long siege in one of the major events of the Russo-Turkish War

1903: The Wright brothers make the first sustained motorized aircraft flight at 10:35 AM, piloted by Orville Wright at Kitty Hawk, North Carolina

1986: Davina Thompson makes medical history by having the 1st heart, lung and liver transplant at Papworth Hospital in Cambridge, England

Source: Onthisday.com