1099-Godfrey of Bouillon is elected the first Defender of the Holy Sepulchre of The Kingdom of Jerusalem during the First Crusade
1456-Hungarian army under John Hunyadi defeat the forces of Ottoman Sultan Mehmed II and end the Siege of Belgrade (Nándorfehérvár). Halting Ottoman expansion in Europe for 70 years.
1515-First Congress of Vienna settles issues between Poland and Holy Roman Empire and demonstrates the Habsburgs growing influence
1942-300,000 Jews from the Warsaw Ghetto are sent to Treblinka Extermination Camp
1963-Sarawak achieves independence from British colonial rule
2011-Norway is the victim of twin terror attacks, a bomb blast targeting government buildings in central Oslo and a massacre at a youth camp on the island of Utøya