| | 1026 - Pope John XIX crowns Conrad II as Holy Roman Emperor. |
| | 1199 - Richard the Lionheart is fatally wounded by a crossbow bolt during a siege in France, he dies eleven days later. The marksman, a french noble named Pierre Basile, is executed. |
| | 1552 - Guru Amar Das becomes the Third Sikh Guru. |
| | 1636 - Utrecht University is founded in The Netherlands. |
| | 1707 - The Act of Union becomes law, uniting England and Scotland into one state, the Kingdom of Great Britain. |
| | 1808 - Charles IV of Spain abdicates in favor of his son, Ferdinand VII. |
| | 1812 - An earthquake destroys Caracas, Venezuela. |
| | 1839 - The first Henley Royal Regatta is held. |
| | 1913 - Balkan War: Bulgarian forces take Adrianople. |
| | 1917 - World War I: First Battle of Gaza - British troops are halted after 17,000 Turks block their advance. |
| | 1934 - Driving test introduced in the United Kingdom. |
| | 1942 - World War II: In Poland, Auschwitz receives its first female prisoners. |
| | 1943 - World War II: Battle of the Komandorski Islands - In the Aleutian Islands the battle begins when United States Navy forces intercept Japanese attempting to reinforce a garrison at Kiska. |
| | 1953 - Jonas Salk announces his polio vaccine. |
| | 1958 - The United States Army launches Explorer III. |
| | 1958 - The African Regroupment Party (PRA) is launched at a meeting in Paris. |
| | 1971 - East Pakistan declares its independence from Pakistan to form People's Republic of Bangladesh and Bangladesh Liberation War begins. |
| | 1975 - The Biological Weapons Convention enters into force. |
| | 1976 - A military dictatorship begins in Argentina. As a result of the state terrorism, thirty thousand people are murdered. Their final whereabouts remain unknown. |
| | 1976 - Queen Elizabeth II sent out the first royal email, from the Royal Signals and Radar Establishment. |
| | 1979 - Anwar al-Sadat, Menachem Begin and Jimmy Carter sign the Israel-Egypt Peace Treaty in Washington, DC. |
| | 1982 - A groundbreaking ceremony for the Vietnam Veterans Memorial is held in Washington, DC. |
| | 1995 - The Schengen Treaty goes into effect. |
| | 1996 - The International Monetary Fund approves a $10.2 billion loan for Russia. |
| | 1997 - Thirty-nine bodies found in the Heaven's Gate cult suicides. |
| | 1998 - Oued Bouaicha massacre in Algeria; 52 people killed with axes and knives, 32 of them babies under the age of 2. |
| | 1999 - The "Melissa worm" infects e-mail systems around the world. |
| | 1999 - A jury in Michigan finds Dr. Jack Kevorkian guilty of second-degree murder for administering a lethal injection to a terminally ill man. |
| | 2000 - The Seattle Kingdome is imploded to make room for a new stadium. |
| | 2000 - Presidential elections are held in Russia, and Vladimir Putin is elected President. |
| | 2005 - Return of Doctor Who to television after 16-year absence. |
| | 2006 - In Scotland the prohibition of smoking in all substantially enclosed public places comes into force. |