330: Newly built city of Constantinople (Byzantium) dedicated to Emperor Constantine the Great, becomes the capital of the Eastern Roman Empire

1189: Holy Roman Emperor Frederick I Barbarossa and 100,000 crusaders depart Regensburg for the Third Crusade

1751: Pennsylvania Hospital founded by Dr. Thomas Bond and Benjamin Franklin, in Philadelphia

1812: British Prime Minister Spencer Perceval is assassinated by John Bellingham in the lobby of the House of Commons, London. Ironically, descendants of both later stand for the same seat in Parliament at the same time, but neither wins

1934: Great dust bowl storm sweeps across the American and Canadian prairies traveling as far as the East Coast

1995: More than 170 countries agree to extend the Nuclear Nonproliferation Treaty indefinitely and without conditions to prevent the spread of nuclear weapons [1]

2000: India’s population officially reaches 1 billion – Astha Arora named India’s billionth baby

Source: Onthisday.com