1026 - Pope John XIX crowns Conrad II as Holy Roman Emperor.
1484 - William Caxton prints his translation of Aesop's Fables.
1552 - Guru Amar Das becomes the Third Sikh Guru.
1636 - Utrecht University is founded in The Netherlands.
1808 - Charles IV of Spain abdicates in favor of his son, Ferdinand VII.
1812 - An earthquake destroys Caracas, Venezuela.
1830 - The Book of Mormon is published in Palmyra, New York.
1839 - The first Henley Royal Regatta is held.
1881 - Thessaly is freed and becomes part of Greece again.
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 - The driving test is introduced in the United Kingdom.
1942 - World War II: In Poland, Auschwitz receives its first female prisoners.
1945 - World War II: In Iwo Jima, US forces declare Iwo Jima secure.
1953 - Jonas Salk announces his polio vaccine.
1958 - The United States Army launches Explorer 3.
1958 - The African Regroupment Party (PRA) is launched at a meeting in Paris.
1967 - Ten thousand people gather for one of many Central Park Be-Ins in New York City
1971 - East Pakistan declares its independence from Pakistan to form People's Republic of Bangladesh and Bangladesh Liberation War begins.
1974 - Gaura Devi leads a group of 27 women of Laata village, Henwalghati, Garhwal Himalayas, to form circles around trees to stop them being felled, thus sparking the Chipko Movement in India.
1975 - The Biological Weapons Convention enters into force.
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, D.C..
1982 - A groundbreaking ceremony for the Vietnam Veterans Memorial is held in Washington, D.C..
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 Microsoft word processing and 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.
2005 - The Taiwanese government calls on 1 million Taiwanese to demonstrate in Taipei, in opposition to the Anti-Secession Law of the People's Republic of China. Around 200,000 to 300,000 attend the walk.
2006 - In Scotland, the prohibition of smoking in all substantially enclosed public places comes into force.
2006 - The military junta ruling Burma officially names Naypyidaw, a new city in Mandalay Division, as the new capital. Yangon had formerly been the nation's capital.