Liberation Day tariffs: U.S. President Donald Trump announces sweeping worldwide tariffs.
Viertola school shooting: A 12-year-old pupil is killed and two others injured by a shooter of the same age in Vantaa, Finland.
At least 49 people are killed in a train derailment in Taiwan after a truck accidentally rolls onto the track.
A Capitol Police officer is killed and another injured when an attacker rams his car into a barricade outside the United States Capitol.
COVID-19 pandemic: The total number of confirmed cases reach one million.
Gunmen attack Garissa University College in Kenya, killing at least 148 people and wounding 79 others.
Four men steal items worth up to £200 million from an underground safe deposit facility in London's Hatton Garden area in what has been called the "largest burglary in English legal history."
A spree shooting occurs at the Fort Hood army base in Texas, with four dead, including the gunman, and 16 others injured.
A mass shooting at Oikos University in California leaves seven people dead and three injured.
UTair Flight 120 crashes after takeoff from Roshchino International Airport in Tyumen, Russia, killing 33 and injuring 10.
India wins the Cricket World Cup for the second time in history under the captaincy of MS Dhoni.
Over 60 tornadoes break out in the United States; Tennessee is hardest hit with 29 people killed.
Islamist terrorists involved in the 11 March 2004 Madrid attacks attempt to bomb the Spanish high-speed train AVE near Madrid; the attack is thwarted.
Israeli forces surround the Church of the Nativity in Bethlehem, into which armed Palestinians had retreated.
In New York, Mafia boss John Gotti is convicted of murder and racketeering and is later sentenced to life in prison.
Forty-two civilians are massacred in the town of Bijeljina in Bosnia and Herzegovina.
Rita Johnston becomes the first female Premier of a Canadian province when she succeeds William Vander Zalm (who had resigned) as Premier of British Columbia.
Soviet leader Mikhail Gorbachev arrives in Havana, Cuba, to meet with Fidel Castro in an attempt to mend strained relations.
Alabama governor George Wallace, a former segregationist, best known for the "Stand in the Schoolhouse Door", announces that he will not seek a fifth four-year term and will retire from public life upon the end of his term in January 1987.
Falklands War: Argentina invades the Falkland Islands.