A widespread, deadly, and violent tornado outbreak slams the Central, Midwestern, and Southern regions of the United States. Eighty-nine people are killed by the tornadoes, with most of the fatalities occurring in Kentucky, where a single tornado kills 57 people, and injures hundreds of others..
The Ostrava hospital attack in the Czech Republic results in eight deaths, including the perpetrator.
ISIL is defeated in Iraq.
Two explosions outside a football stadium in Istanbul, Turkey, kill 38 people and injure 166 others.
Rojava conflict: The Syrian Democratic Council is established in Dêrik, forming the political wing of the Syrian Democratic Forces in northeast Syria.
Palestinian minister Ziad Abu Ein is killed after the suppression of a demonstration by Israeli forces in the village (Turmus'ayya) in Ramallah..
Sosoliso Airlines Flight 1145 crashes at Port Harcourt International Airport in Nigeria, killing 108 people.
Helen Clark is sworn in as Prime Minister of New Zealand, the second woman to hold the post and the first following an election.
The new Constitution of South Africa is promulgated by Nelson Mandela.
The Israeli army withdraws from Nablus pursuant to the terms of Oslo Accord.
Rwandan genocide: Maurice Baril, military advisor to the U.N. Secretary-General and head of the Military Division of the Department of Peacekeeping Operations, recommends that UNAMIR stand down..
The last shift leaves Wearmouth Colliery in Sunderland. The closure of the 156-year-old pit marks the end of the old County Durham coalfield, which had been in operation since the Middle Ages.
Nursultan Nazarbayev is sworn in as the 1st President of Kazakhstan.
The Kazakh Soviet Socialist Republic is renamed into the Republic of Kazakhstan.
Mongolian Revolution: At the country's first open pro-democracy public demonstration, Tsakhiagiin Elbegdorj announces the establishment of the Mongolian Democratic Union.
United Nations General Assembly recognizes the Convention against Torture..
Democracy is restored in Argentina with the inauguration of President Raúl Alfonsín.
Kaohsiung Incident: Taiwanese pro-democracy demonstrations are suppressed by the KMT dictatorship, and organizers are arrested.
Arab–Israeli conflict: Prime Minister of Israel Menachem Begin and President of Egypt Anwar Sadat are jointly awarded the Nobel Peace Prize.
Japan's biggest heist, the still-unsolved "300 million yen robbery", is carried out in Tokyo.
Zanzibar gains independence from the United Kingdom as a constitutional monarchy, under Sultan Jamshid bin Abdullah..
An assassination attempt on the British High Commissioner in Aden kills two people and wounds dozens more.
British Prime Minister Winston Churchill receives the Nobel Prize in Literature.
Chinese Civil War: The People's Liberation Army begins its siege of Chengdu, the last Kuomintang-held city in mainland China, forcing President of the Republic of China Chiang Kai-shek and his government to retreat to Taiwan.
The Human Rights Convention is signed by the United Nations.
World War II: Government of Poland in exile send Raczyński's Note (the first official report on the Holocaust) to 26 governments who signed the Declaration by United Nations..
World War II: The Royal Navy capital ships HMS Prince of Wales and HMS Repulse are sunk by Imperial Japanese Navy torpedo bombers near British Malaya.
World War II: Battle of the Philippines: Imperial Japanese forces under the command of General Masaharu Homma land on Luzon.
Abdication Crisis: Edward VIII signs the Instrument of Abdication.
Thailand becomes a constitutional monarchy.
Selma Lagerlöf becomes the first female writer to receive the Nobel Prize in Literature..
The worst night of the Brown Dog riots in London, when 1,000 medical students, protesting against the existence of a memorial for animals that have been vivisected, clash with 400 police officers.
U.S. President Theodore Roosevelt is awarded the Nobel Peace Prize for his role in the mediation of the Russo-Japanese War, becoming the first American to win a Nobel Prize in any field.
The opening of the reservoir of the Aswan Dam in Egypt.
The first Nobel Prize ceremony is held in Stockholm on the fifth anniversary of Alfred Nobel's death.
Spanish–American War: The Treaty of Paris is signed, officially ending the conflict. Spain cedes administration of Cuba to the United States, and the United States agrees to pay Spain $20 million for the Philippines..
Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Russo-Turkish War: The Russian Army captures Plevna after a 5-month siege. The garrison of 25,000 surviving Turks surrenders. The Russian victory is decisive for the outcome of the war and the Liberation of Bulgaria.
American Civil War: Sherman's March to the Sea: Major General William Tecumseh Sherman's Union Army troops reach the outer Confederate defenses of Savannah, Georgia.
American Civil War: The Confederate States of America accept a rival state government's pronouncement that declares Kentucky to be the 13th state of the Confederacy.
Forces led by Nguyễn Trung Trực, an anti-colonial guerrilla leader in southern Vietnam, sink the French lorcha L'Esperance..
Mississippi becomes the 20th U.S. state.
France adopts the metre as its official unit of length.
The first edition of the Encyclopædia Britannica is published.
Isaac Newton's derivation of Kepler's laws from his theory of gravity, contained in the paper De motu corporum in gyrum, is read to the Royal Society by Edmond Halley.
The Royal Netherlands Marine Corps is founded by Michiel de Ruyter..
Defeat at the Battle of Dungeness causes the Commonwealth of England to reform its navy.
Thomas Culpeper and Francis Dereham are executed for having affairs with Catherine Howard, Queen of England and wife of Henry VIII.
Martin Luther burns his copy of the papal bull Exsurge Domine outside Wittenberg's Elster Gate.
The League of Cambrai is formed by Pope Julius II, Louis XII of France, Maximilian I, Holy Roman Emperor and Ferdinand II of Aragon as an alliance against Venice.
The Nyköping Banquet: King Birger of Sweden treacherously seizes his two brothers, dukes Valdemar and Erik, who are subsequently starved to death in the dungeon of Nyköping Castle..