2026 Islamic Center of San Diego shooting
A shooting carried out by two gunmen at the Islamic Center of San Diego results in the deaths of five people, including the perpetrators.
38 events · 20 births · 20 deaths · 8 observances. From 1388 to 2026.

Standout on May 18
United States presidential election: Joe Biden launches his presidential campaign.
May 18 is the 138th day of the year. These facts are computed from the calendar, not copied from anywhere.
A dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
A shooting carried out by two gunmen at the Islamic Center of San Diego results in the deaths of five people, including the perpetrators.

United States presidential election: Joe Biden launches his presidential campaign.
A school shooting at Santa Fe High School in Texas kills ten people.
Cubana de Aviación Flight 0972 crashed near Santiago de las Vegas shortly after takeoff from José Martí International Airport, killing 112 of the 113 people on board.
At least 78 people die in a landslide caused by heavy rains in the Colombian town of Salgar.
Mark Carson, an openly gay man, was murdered in a hate crime incident in New York City, prompting a 1,500-person march against anti-LGBTQ violence.
The Sri Lanka Army killed Velupillai Prabhakaran, the leader and founder of the Liberation Tigers of Tamil Eelam, to bring an end to the 26-year Sri Lankan civil war.
The LTTE are defeated by the Sri Lankan government, ending almost 26 years of fighting between the two sides.
The post Loktantra Andolan government passes a landmark bill curtailing the power of the monarchy and making Nepal a secular country.
The Parliament of Nepal unanimously voted to strip King Gyanendra of many of his powers.

A second photo from the Hubble Space Telescope confirms that Pluto has two additional moons, Nix and Hydra.

The Elder Scrolls IV: Oblivion publicly debuted at the Electronic Entertainment Expo.

Ireland won the Eurovision song contest for the seventh time, the highest number of wins for any country before Sweden tied it in 2023.

Israeli troops finish withdrawing from the Gaza Strip, ceding the area to the Palestinian National Authority to govern.
Riots in Nørrebro, Copenhagen, caused by the approval of the four Danish exceptions in the Maastricht Treaty referendum. Police open fire against civilians for the first time since World War II and injure 11 demonstrators.
Northern Somalia declares independence from the rest of Somalia as the Republic of Somaliland.
In France, a modified TGV train achieves a new rail world speed record of 515.3 km/h (320.2 mph).
Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.
Mount St. Helens explosively erupted (pictured), killing approximately 57 people in southern Washington state, reducing hundreds of square miles to wasteland, and causing more than US$1 billion in damage.
Rioting spreads to Miami's mostly African-American neighborhoods of Overtown and Liberty City following the previous day's courthouse protests.
Likud party wins the 1977 Israeli legislative election, with Menachem Begin, its founder, as the sixth Prime Minister of Israel.
India conducted its first nuclear test explosion at Pokhran, the first confirmed nuclear test by a nation outside the five permanent members of the United Nations Security Council.
Nuclear weapons testing: Under project Smiling Buddha, India successfully detonates its first nuclear weapon becoming the sixth nation to do so.
Aeroflot Flight 109 is hijacked mid-flight and the aircraft is subsequently destroyed when the hijacker's bomb explodes, killing all 82 people on board.
During approach to Kharkiv International Airport, Aeroflot Flight 1491 crashes near Ruska Lozova, killing all 112 aboard.

Apollo program: Apollo 10 is launched.
Eli Cohen, a spy who is credited with gathering significant intelligence used by Israel during the Six-Day War, was publicly hanged in Syria.
Operation Passage to Freedom, the evacuation of 310,000 Vietnamese civilians, soldiers and non-Vietnamese members of the French Army from communist North Vietnam to South Vietnam following the end of the First Indochina War, ended.

First Indochina War: Viet Minh forces overran a French and Laotian garrison at Muong Khoua, leaving only four survivors.

The Soviet Union forcibly deported hundreds of thousands of Crimean Tatars to the Uzbek SSR and elsewhere in the country.

In a crime that captivated Japan, Sada Abe strangled her lover, cut off his genitals, and carried them around with her for several days until her arrest.
U.S. president Franklin D. Roosevelt signed an act establishing the Tennessee Valley Authority to stimulate the economic development of the Tennessee Valley, a region particularly impacted by the Great Depression.
Disgruntled school board treasurer Andrew Kehoe set off explosives with timers and a rifle, causing the Bath School disaster in the Bath Consolidated School in Michigan, killing 44 people in the deadliest mass murder in a school in United States history.
Pentecostal evangelist Aimee Semple McPherson (pictured) was reportedly kidnapped near Venice Beach in Los Angeles before reappearing five weeks later in Mexico.
Ruling in the landmark decision Plessy v. Ferguson, the U.S. Supreme Court upheld the legality of racial segregation in public transportation under the "separate but equal" doctrine.

American Civil War: General Ulysses S. Grant led his Army of the Tennessee across the Big Black River in preparation for the Siege of Vicksburg.

An earthquake measuring .mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}Ms 7.8 struck Shanxi Province in northern China, resulting in at least 52,600 deaths.
At the Battle of Buir Lake, a Ming Chinese army led by general Lan Yu defeated the forces of Tögüs Temür, the Mongol khan of Northern Yuan.
A notable person born on this day. Each links to a person page with their dates and story.



A notable person who died on this day.
Jim Brown, American football player, civil rights activist, and actor (born 1936)

Austin Eubanks, American addiction recovery advocate, survivor of the Columbine shooting (born 1981)
Halldór Ásgrímsson, Icelandic accountant and politician, 22nd Prime Minister of Iceland (born 1947)
Dobrica Ćosić, Serbian politician, 1st President of the Federal Republic of Yugoslavia (born 1921)
A holiday, feast day, awareness day or national day observed every year on this date.

Christian feast day: May 18 (Eastern Orthodox liturgics)
Christian feast day: Blessed Blandine Merten
Baltic Fleet Day (Russia)
Christian feast day: Ælfgifu of Shaftesbury

Christian feast day: Pope John I
Christian feast day: Felix of Cantalice

Christian feast day: Venantius of Camerino

Christian feast day: Eric IX of Sweden
Earliest: Battle of Buir Lake (1388). Most recent: 2026 Islamic Center of San Diego shooting (2026).
May 18 is the 138th day of the year, with 227 days left after it.
May 18 falls under Taurus (April 20 – May 20), a earth sign ruled by Venus. The birthstone for the month is Emerald.
We record 86 entries for May 18: 38 events · 20 births · 20 deaths · 8 observances. From 1388 to 2026.
Hala Finley (2009) is among the notable births on May 18. The births section lists the rest.
The day is filled the first time anyone opens it and then re-checked for new entries about every 90 days. Computed facts such as the weekday and the anniversaries update every year.
One short email a day from this calendar. Kept for this site only.
Text adapted from Wikipedia under CC BY-SA 4.0 and from Wikidata (CC0). Images come from Wikimedia Commons; credit and licence are shown with each image. Editorial entries are © What's On This Date. Sources & licensing · How this site works.