Loreen claimed victory for Sweden at the 67th Eurovision Song Contest with her song 'Tattoo.'
Dan Brown released his fourth novel in the Da Vinci Code series, Inferno, which became an instant success.
The Netherlands Institute for War Documentation published Anne Frank's complete diary.
The rockumentary film featuring The Who titled 'Kids Are All Right' premiered at the Cannes Film Festival.
The USA's first space station, Skylab, was launched into Earth's orbit.
The Red Army Faction (RAF) begins operations.
Underground America Day was first observed, which recognizes the approximately 6,000 people who live in some form of underground architecture across North America.
The Warsaw Pact is established.
The Talyllyn Railway in Wales became the first railway line in the world to be run solely by volunteers.
Israel declared independence from the British administration.
The US Women's Army Auxiliary Corps (WAAC) was formed.
The Adventures of Robin Hood, directed by Michael Curtiz, William Keighley, and starring Errol Flynn and Olivia de Havilland, was released.
We Want Beer! parade was held.
The ban on Sunday baseball was lifted in Washington, D.C., making it the 3rd city to do so.
Lewis and Clark depart to explore the Northwest.
Edward Jenner, an English country doctor, gave the first vaccination against smallpox.
Delegates started to gather in Philadelphia to draw up the US constitution.
Settlers funded by the Virginia Company of London established Jamestown.
