1661: The Treaty of The Hague is signed whereby the Dutch Republic sells New Holland (Brazil) for 63 tonnes of gold to Portugal

1890: At Auburn Prison in New York, murderer William Kemmler becomes the 1st person to be executed by electric chair

1945: Atomic bomb dropped on the Japanese city of Hiroshima by the US B-29 Superfortress “Enola Gay”

1965: US President Lyndon B. Johnson signs the Voting Rights Act prohibiting voting discrimination against minorities

1991: Tim Berners-Lee releases files describing his idea for the World Wide Web. WWW debuts as a publicly available service on the Internet.

Source: Onthisday.com