Tham Luang cave rescue
Twelve boys and an assistant coach from a soccer team in Thailand are trapped in a flooding cave, leading to an 18-day rescue operation.
What happened on June 23
37 events · 20 births · 20 deaths · 8 observances. From 1266 to 2025.
Standout on June 23
2018
Tham Luang cave rescue
Twelve boys and an assistant coach from a soccer team in Thailand are trapped in a flooding cave, leading to an 18-day rescue operation.
About June 23
June 23 is the 174th day of the year. These facts are computed from the calendar, not copied from anywhere.
- Day of the year
- Day 174 of 365 (175 in leap years)191 days left in the year (191 in leap years)
- Falls on
- Tuesday in 2026, Wednesday in 2027, Friday in 2028, Saturday in 2029, Sunday in 2030
- Week
- ISO week 26 of 2026 · Q2
- Zodiac sign
- ♋ Cancer (June 21 – July 22)
- Season
- Summer in the north · Winter in the south
- June birthstone
- Pearl / Alexandrite / Moonstonepurity, balance and new beginnings
- June birth flower
- Rose / Honeysucklelove, passion and devoted affection
- Next occurrence
- In 239 days
- Roman numerals
- XXIII.VIday.month — see the Roman numeral date tool
Anniversaries in 2026
- 300thChurch cantata (Bach)1726
- 100thCollege Board1926
- 80th1946 Vancouver Island earthquake1946
- 70th1956 Egyptian referendum1956
- 40thChristy Altomare1986
- 25th2001 southern Peru earthquake2001
- 20thEli Junior Kroupi2006
- 10th2016 United Kingdom European Union membership referendum2016
June 23 through the years
- 10 years ago2016
- Brexit · 2016 United Kingdom European Union membership referendum · Ralph Stanley
- 25 years ago2001
- 2001 southern Peru earthquake
- 50 years ago1976
- Nothing recorded
- 100 years ago1926
- College Board
- 200 years ago1826
- Nothing recorded
Born on June 23 — ages this year
- 2008Lilliana Ketchmanturns 18
- 2007Elliana Walmsleyturns 19
- 2006Eli Junior Kroupiturns 20
- 2000Starford To'aturns 26
- 1994Ben Dwarshuisturns 32
- 1994Roger Martínezturns 32
Historical events 37
A dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
June 2017 Pakistan attacks
A series of terrorist attacks take place in Pakistan, resulting in 96 deaths and wounding 200 others.
Brexit
Brexit: The United Kingdom votes in a referendum to leave the European Union, by 52% to 48%.
2016 United Kingdom European Union membership referendum
Citizens of the United Kingdom voted in favour of leaving the European Union.
Syrian chemical weapons program
The last of Syria's declared chemical weapons are shipped out for destruction.
Nik Wallenda
Nik Wallenda becomes the first man to successfully walk across the Grand Canyon on a tight rope.
Nanga Parbat
Militants storm a high-altitude mountaineering base camp near Nanga Parbat in Gilgit–Baltistan, Pakistan, killing ten climbers and a local guide.
Ashton Eaton
Ashton Eaton breaks the decathlon world record at the United States Olympic Trials.
American social news and discussion site Reddit is founded in Medford, Massachusetts by Steve Huffman and Alexis Ohanian.
2001 southern Peru earthquake
The 8.4 Mw southern Peru earthquake shakes coastal Peru with a maximum Mercalli intensity of VIII (Severe). A destructive tsunami followed, leaving at least 74 people dead, and 2,687 injured.
NASA
NASA's Space Station Processing Facility, a new state-of-the-art manufacturing building for the International Space Station, officially opens at Kennedy Space Center.
Croatian War of Independence
Croatian War of Independence: The Battle of the Miljevci Plateau ended after a failed counterattack by forces of the Republic of Serbian Krajina against the Croatian Army who had captured the plateau.
Sonic the Hedgehog
The first instalment of the video-game series Sonic the Hedgehog was released in North America.
Sonic the Hedgehog (1991 video game)
Sonic the Hedgehog is released in North America on the Sega Genesis platform, beginning the popular video game franchise.
1985 Narita International Airport bombing
A terrorist bomb explodes at Narita International Airport near Tokyo, killing two and injuring four. An hour later, the same group detonates a second bomb aboard Air India Flight 182, bringing the Boeing 747 down off the coast of Ireland killing all 329 aboard.
Killing of Vincent Chin
Chinese American Vincent Chin died after being beaten into a coma in Highland Park, Michigan, U.S., by two automotive workers who were angry about the success of Japanese auto companies.
Los Angeles Dodgers
The Los Angeles Dodgers started Steve Garvey, Davey Lopes, Ron Cey, and Bill Russell in the infield, beginning a record eight-year run in Major League Baseball for four people designated as starters for those positions.
Kingston upon Hull
A fire at a house in Hull, England, which kills a six-year-old boy is passed off as an accident; it later emerges as the first of 26 deaths by fire caused over the next seven years by serial arsonist Peter Dinsdale.
Watergate scandal
Watergate scandal: U.S. President Richard M. Nixon and White House Chief of Staff H. R. Haldeman are taped talking about illegally using the Central Intelligence Agency to obstruct the Federal Bureau of Investigation's investigation into the Watergate break-ins.
Richard Nixon
President Richard Nixon signed Title IX (co-author Patsy Mink pictured) into law as part of the Education Amendments, prohibiting gender discrimination in any educational program receiving U.S. federal funds.
Title IX
Title IX of the United States Civil Rights Act of 1964 is amended to prohibit sexual discrimination to any educational program receiving federal funds.
Software industry
IBM announces that effective January 1970 it will price its software and services separately from hardware thus creating the modern software industry.
Warren E. Burger
Warren E. Burger is sworn in as Chief Justice of the United States Supreme Court by retiring Chief Justice Earl Warren.
The Tragedy of Gate 12
Seventy-four people were killed and 150 others injured in a stampede at a football match between Boca Juniors and Club Atlético River Plate in Buenos Aires, Argentina.
Cold War
Cold War: U.S. President Lyndon B. Johnson meets with Soviet Premier Alexei Kosygin in Glassboro, New Jersey for the three-day Glassboro Summit Conference.
Antarctic Treaty System
The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
1956 Egyptian referendum
In a nationwide referendum, Gamal Abdel Nasser (pictured) was elected President of Egypt, a post he held until his death in 1970.
1946 Vancouver Island earthquake
Canada's largest recorded onshore earthquake struck Vancouver Island, British Columbia.
The Holocaust
The Holocaust: After a closely supervised visit to Theresienstadt Ghetto in German-occupied Czechoslovakia, Red Cross official Maurice Rossel reported that conditions there were "almost normal".
College Board
The College Board administered the first Scholastic Aptitude Test, a major standardized test for university and college admissions in the United States.
Parliament of Canada
The Parliament of Canada passed the Rocky Mountains Park Act, creating Banff National Park in Alberta as the country's first national park.
Stand Watie
Stand Watie became the last Confederate general of the American Civil War to surrender to Union forces.
War of the First Coalition
War of the First Coalition: Napoleon signed the Armistice of Bologna, agreeing a ceasefire between France and the Papal States.
Church cantata (Bach)
On the First Sunday after Trinity, J. S. Bach led the first performance of Brich dem Hungrigen dein Brot, BWV 39 (page pictured), one of a few new cantatas written that year.
Anglo-Spanish War (1585–1604)
Anglo-Spanish War: During the Action of Faial, an English attempt to capture a Portuguese carrack, reputedly one of the richest ever to set sail from the Indies, caused it to explode with all the treasure lost.
Reconquista
Reconquista: Troops of the Emirate of Granada defeated those of the Kingdom of Castile and the Kingdom of León in the Battle of Moclín.
War of Saint Sabas
War of Saint Sabas: In an action off Trapani, Sicily, a Venetian fleet captured all 27 opposing Genoese vessels.
Births 20
A notable person born on this day. Each links to a person page with their dates and story.
Deaths 20
A notable person who died on this day.
John Clark (footballer, born 1941)
John Clark, Scottish Footballer and Lisbon Lion (born 1941)
John McAfee
John McAfee, British-American computer programmer and businessman, founded McAfee (born 1945)
Paula Kent Meehan
Paula Kent Meehan, American businesswoman, co-founded Redken (born 1931)
Gary David Goldberg
Gary David Goldberg, American screenwriter and producer (born 1944)
Frank Kelso
Frank Kelso, American admiral and politician, United States Secretary of the Navy (born 1933)
Alan McDonald (Northern Ireland footballer)
Alan McDonald, Northern Ireland footballer and manager (born 1963)
Holidays & observances 8
A holiday, feast day, awareness day or national day observed every year on this date.
June 23 (Eastern Orthodox liturgics)
Christian feast day: June 23 (Eastern Orthodox liturgics)
Father's Day
Father's Day (Nicaragua, Poland)
Æthelthryth
Christian feast day: Æthelthryth
Thomas Garnet
Christian feast day: Thomas Garnet
Maria Raffaella Cimatti
Christian feast day: Blessed Maria Raffaella Cimatti
Grand Duke's Official Birthday
Grand Duke's Official Birthday (Luxembourg)
Marie of Oignies
Christian feast day: Marie of Oignies
Joseph Cafasso
Christian feast day: Joseph Cafasso
Spread across the centuries
- 13th century2
- 16th century1
- 18th century2
- 19th century2
- 20th century37
- 21st century33
Earliest: War of Saint Sabas (1266). Most recent: John Clark (footballer, born 1941) (2025).
What the categories mean, and how the standout is chosen
- Historical events
- A dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
- Births
- A notable person born on this day. Each links to a person page with their dates and story.
- Deaths
- A notable person who died on this day.
- Milestones
- A first, a founding or a turning point our editors flagged as a landmark moment.
- Holidays & observances
- A holiday, feast day, awareness day or national day observed every year on this date.
- Standout / notable
- Editor-written entries come first, then entries covered by the most Wikipedia language editions. For the standout tile we prefer an entry that has a picture.
Nearby and related
Questions about June 23
What day of the year is June 23?
June 23 is the 174th day of the year, with 191 days left after it.
What star sign is June 23?
June 23 falls under Cancer (June 21 – July 22), a water sign ruled by Moon. The birthstone for the month is Pearl or Alexandrite or Moonstone.
How many things happened on June 23?
We record 85 entries for June 23: 37 events · 20 births · 20 deaths · 8 observances. From 1266 to 2025.
Who was born on June 23?
Lilliana Ketchman (2008) is among the notable births on June 23. The births section lists the rest.
How often is the June 23 page updated?
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.
Get a daily entry like June 23
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.