IRA Army Council Announces End to Armed Campaign. The Provisional Irish Republican Army, also known as IRA, announced an end to its armed campaign in the group's effort to free Northern Ireland from United Kingdom's rule.

National Aeronautics and Space Act is passed by the US Congress. The act established the National Aeronautics and Space Administration (NASA).

IX Summer Olympics open. The IX Summer Olympics opened in Amsterdam

IX Summer Olympics open. The IX Summer Olympics opened in Amsterdam

Peru declares independence. The Peruvian War of Independence against Spain began in 1811 and ended with a declaration of independence under the leadership of José de San Martín.