The first free flight of the Space Shuttle Enterprise.
South Africa is banned from the Olympic Games due to the country's racist policies.
Echo 1A, NASA's first successful communications satellite, is launched.
Alençon is liberated by General Philippe Leclerc de Hauteclocque, the first city in France to be liberated from the Nazis by French forces.
World War I: France, the United Kingdom and the British Empire declare war on Austria-Hungary.
World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
Joseph Lister, British surgeon and scientist, performs the first antiseptic surgery.
Isaac Singer is granted a patent for his sewing machine.
French intervention forces William I of the Netherlands to abandon his attempt to suppress the Belgian Revolution.
Santiago de Liniers, 1st Count of Buenos Aires re-takes the city of Buenos Aires, Argentina after the first British invasion.
Treaty of Allahabad is signed. The Treaty marks the political and constitutional involvement and the beginning of Company rule in India.
Battle of Mohács: Charles of Lorraine defeats the Ottoman Empire.
Praying Indian John Alderman shoots and kills Metacomet, the Wampanoag war chief, ending King Philip's War.
First engagement of the Battle of Zonchio between Venetian and Ottoman fleets.
Christopher Columbus arrives in the Canary Islands on his first voyage to the New World.
The Treaty of Nöteborg between Sweden and Novgorod Republic is signed, regulating the border between the two countries for the first time.
Battle of Didgori: The Georgian army under King David IV wins a decisive victory over the famous Seljuk commander Ilghazi.
First Crusade: Battle of Ascalon Crusaders under the command of Godfrey of Bouillon defeat Fatimid forces led by Al-Afdal Shahanshah. This is considered the last engagement of the First Crusade.