The Siege of Baghdad ends with the surrender of the last Abbasid caliph to Hulegu Khan, a prince of the Mongol Empire.
In front of the high altar of Greyfriars Church in Dumfries, Robert the Bruce murders John Comyn, sparking the revolution in the Wars of Scottish Independence.
The St Scholastica Day riot breaks out in Oxford, England, leaving 63 scholars and perhaps 30 locals dead in two days.
Vasco da Gama sets sail from Lisbon, Portugal, on his second voyage to India.
Lord Darnley, second husband of Mary, Queen of Scots, is found strangled following an explosion at the Kirk o' Field house in Edinburgh, Scotland, a suspected assassination.
Huilliches in Chilo rebel against Spanish encomenderos.
French and Indian War: The Treaty of Paris ends the war and France cedes Quebec to Great Britain.
Napoleonic Wars: The Battle of Champaubert ends in French victory over the Russians and the Prussians.
Queen Victoria of the United Kingdom marries Prince Albert of Saxe-Coburg-Gotha.
First Anglo-Sikh War: Battle of Sobraon: British defeat Sikhs in the final battle of the war.
Jefferson Davis is notified by telegraph that he has been chosen as provisional President of the Confederate States of America.
American Civil War: A Union naval flotilla destroys the bulk of the Confederate Mosquito Fleet in the Battle of Elizabeth City on the Pasquotank River in North Carolina.
HMSDreadnought, the first of a revolutionary new breed of battleships, is christened.
Jzef Haller de Hallenburg performs the symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
Texas Tech University is founded as Texas Technological College in Lubbock, Texas.
The Vit Nam Quc Dn ng launches the failed Yn Bi mutiny in hope of overthrowing French protectorate over Vietnam.
In round 13 of a boxing match at New York City's Madison Square Garden, Primo Carnera knocks out Ernie Schaaf. Schaaf dies four days later.
Second Italo-Abyssinian War: Italian troops launch the Battle of Amba Aradam against Ethiopian defenders.
Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
The Soviet Union begins mass deportations of Polish citizens from occupied eastern Poland to Siberia.
World War II: Attempting to completely lift the Siege of Leningrad, the Soviet Red Army engages German troops and Spanish volunteers in the Battle of Krasny Bor.
The Paris Peace Treaties are signed by Italy, Romania, Hungary, Bulgaria, Finland and the Allies of World War II.
U.S. President Dwight D. Eisenhower warns against United States intervention in Vietnam.
Cold War: Captured American U2 spy-plane pilot Gary Powers is exchanged for captured Soviet spy Rudolf Abel.
Melbourne-Voyager collision: The aircraft carrier HMASMelbourne collides with and sinks the destroyer HMASVoyager off the south coast of New South Wales, Australia, killing 82.
The 25th Amendment to the United States Constitution is ratified.
Ras Al Khaimah joins the United Arab Emirates, now making up seven emirates.
Kenyan soldiers kill an estimated 5,000 ethnic Somali Kenyans in the Wagalla massacre.
Ron Brown is elected chairman of the Democratic National Committee, becoming the first African American to lead a major American political party.
IBM supercomputer Deep Blue defeats Garry Kasparov in chess for the first time.
France and Belgium break the NATO procedure of silent approval concerning the timing of protective measures for Turkey in case of a possible war with Iraq.
Forty-three people are killed and three are injured when a Fokker 50 crashes near Sharjah International Airport.
The communications satellites Iridium 33 and Kosmos 2251 collide in orbit, destroying both.
Thirty-six people are killed and 39 others are injured in a stampede in Allahabad, India, during the Kumbh Mela festival.
South Korea decides to stop the operation of the Kaesong joint industrial complex with North Korea in response to the launch of Kwangmyngsng-4.
Nineteen people are killed and 66 injured when a Kowloon Motor Bus double decker on route 872 in Hong Kong overturns.
The traditional Carnival in Rio de Janeiro, Brazil is canceled for the first time because of the COVID-19 pandemic.
Texas' worst energy infrastructure failure, the 2021 Texas power crisis, starts.