At least 22 people are killed in an attack on a village in Northwest Region, Cameroon.
Pulwama attack takes place in Lethpora in Pulwama district, Jammu and Kashmir, India in which 40 Central Reserve Police Force personnel and a suicide bomber were killed and 35 were injured.
A shooting at Marjory Stoneman Douglas High School in Parkland, Florida is one of the deadliest school massacres with 17 fatalities and 17 injuries.
Jacob Zuma resigns as President of South Africa.
As a part of Arab Spring, the Bahraini uprising begins with a 'Day of Rage'.
Northern Illinois University shooting: A gunman opens fire in a lecture hall of Northern Illinois University in DeKalb County, Illinois, resulting in six fatalities (including the gunman) and 21 injuries.
In Beirut, 23 people, including former Prime Minister Rafic Hariri, are killed when the equivalent of around 1,000 kg of TNT is detonated while Hariri's motorcade drives through the city.
Seven people are killed and 151 wounded in a series of bombings by suspected al-Qaeda-linked militants that hit Makati, Davao City, and General Santos, all in the Philippines.
YouTube is launched by a group of college students, eventually becoming the largest video sharing website in the world and a main source for viral videos.
In a suburb of Moscow, Russia, the roof of the Transvaal water park collapses, killing more than 28 people, and wounding 193 others.
Iraq disarmament crisis: UNMOVIC Executive Chairman Hans Blix reports to the United Nations Security Council that disarmament inspectors have found no weapons of mass destruction in Ba'athist Iraq.
The spacecraft NEAR Shoemaker enters orbit around asteroid 433 Eros, the first spacecraft to orbit an asteroid.
An oil tanker train collides with a freight train in Yaoundé, Cameroon, spilling fuel oil. One person scavenging the oil created a massive explosion which killed 120.
Ninety-two people are killed when Indian Airlines Flight 605 crashes in Bangalore, India.
The Voyager 1 spacecraft takes the photograph of planet Earth that later becomes famous as Pale Blue Dot.
Union Carbide agrees to pay $470 million to the Indian government for damages it caused in the 1984 Bhopal disaster.
Iranian leader Ruhollah Khomeini issues a fatwa encouraging Muslims to kill Salman Rushdie, author of The Satanic Verses.
United American Bank of Knoxville, Tennessee collapses. Its president, Jake Butcher, is later convicted of fraud.
In Kabul, Setami Milli militants kidnap the American ambassador to Afghanistan, Adolph Dubs who is later killed during a gunfight between his kidnappers and police.
Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
First Indochina War - small French garrison at Đắk Đoa is overrun by the Viet Minh after a week's siege.
The Knesset (parliament of Israel) convenes for the first time.
The Asbestos Strike begins in Canada. The strike marks the beginning of the Quiet Revolution in Quebec.
The act abolishing all noble ranks and related styles comes into force in Hungary.
World War II: On the first day of the bombing of Dresden, the British Royal Air Force and the United States Army Air Forces begin fire-bombing Dresden.
World War II: Navigational error leads to the mistaken bombing of Prague, Czechoslovakia by a United States Army Air Forces squadron of B-17s assisting in the Soviet Red Army's Vistula–Oder Offensive.
World War II: Mostar is liberated by Yugoslav partisans
President Franklin D. Roosevelt meets King Ibn Saud of Saudi Arabia aboard the USS Quincy, officially beginning U.S.-Saudi diplomatic relations.
World War II: In the action of 14 February 1944, a Royal Navy submarine sinks a German-controlled Italian Regia Marina submarine in the Strait of Malacca.
World War II: Rostov-on-Don, Russia is liberated.
World War II: Tunisia Campaign: General Hans-Jürgen von Arnim's Fifth Panzer Army launches a counter-attack against Allied positions in Tunisia.
World War II: Battle of Pasir Panjang contributes to the fall of Singapore.
World War II: German battleship Bismarck is launched.
Saint Valentine's Day Massacre: Seven people, six of them gangster rivals of Al Capone's gang, are murdered in Chicago.
The Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation (IBM).
The League of Women Voters is founded in Chicago.
Arizona is admitted as the 48th and the last contiguous U.S. state.
The U.S. Navy commissions its first class of diesel-powered submarines.
The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
The British Army begins the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
Voting machines are approved by the U.S. Congress for use in federal elections.
The War of the Pacific breaks out when the Chilean Army occupies the Bolivian port city of Antofagasta.
Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.
Texas is linked by telegraph to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas.
Great Ormond St Hospital for Sick Children, the first hospital in England to provide in-patient beds specifically for children, is founded in London.
In New York City, James Knox Polk becomes the first serving President of the United States to have his photograph taken.
The original Quorum of the Twelve Apostles, in the Latter Day Saint movement, is formed in Kirtland, Ohio.
Ras Marye of Yejju marches into Tigray and defeats and kills Dejazmach Sabagadis in the Battle of Debre Abbay.
Karađorđe leads the First Serbian Uprising against the Ottoman Empire.
French Revolutionary Wars: Battle of Cape St. Vincent: John Jervis, (later 1st Earl of St Vincent) and Horatio Nelson (later 1st Viscount Nelson) lead the British Royal Navy to victory over a Spanish fleet in action near Gibraltar.
American Revolutionary War: The Battle of Kettle Creek is fought in Georgia.
James Cook is killed by Native Hawaiians near Kealakekua on the Island of Hawaii.
The United States flag is formally recognized by a foreign naval vessel for the first time, when French Admiral Toussaint-Guillaume Picquet de la Motte renders a nine gun salute to USS Ranger, commanded by John Paul Jones.
The Mapuches launch coordinated attacks against the Spanish in Chile beginning the Mapuche uprising of 1655.
Wedding of Princess Elizabeth and Frederick V of the Palatinate at Whitehall Palace, London.
Having been declared a heretic and laicized by Pope Paul IV on 4 December 1555, Archbishop of Canterbury Thomas Cranmer is publicly defrocked at Christ Church Cathedral.
Coronation of Akbar as ruler of the Mughal Empire.
Spanish conquistadores, led by Nuño de Guzmán, overthrow and execute Tangaxuan II, the last independent monarch of the Tarascan state in present-day central Mexico.
Strasbourg massacre: Several thousand Jews are burned to death by mobs while the remaining Jews are forcibly removed from Strasbourg after being accused of causing the Black Death.
The troubled 1130 papal election exposes a rift within the College of Cardinals.
Pope Benedict VIII crowns Henry of Bavaria, King of Germany and of Italy, as Holy Roman Emperor.
Charles the Bald and Louis the German swear the Oaths of Strasbourg in the French and German languages.
The death of Ibrahim ibn Abdallah marks the end of the Alid revolt of 762–763.
Abbasid Revolution: The Hashimi rebels under Abu Muslim Khorasani take Merv, capital of the Umayyad province Khorasan, marking the consolidation of the Abbasid revolt.