This is a list of selected April 23 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Before doing so, please review the selected anniversaries guidelines. If your suggestion is potentially controversial or relates to a day currently or soon to appear on the Main Page, post it on the talk page instead.
Please note:
- Events listed on the Main Page are selected based on article quality and to provide a diverse range of topics, rather than solely on the importance or significance of the events.
- Only four or five events are featured each day; therefore, not all important or significant events can be included.
- An event is generally excluded if it is already the subject of the scheduled featured article, featured list or picture of the day.
To report an error in content currently on the Main Page, see Wikipedia:Main Page/Errors. If a listed event is inaccurate, please first seek consensus and update the corresponding article before making changes here.
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Images
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Skanderbeg
Charles de Gaulle
Hank Aaron
Hank Aaron
Hall of the Grand National Assembly of Turkey
The Golden Dome at the University of Notre Dame, built following the 1879 fire
The Main Administration Building of the University of Notre Dame, which burned down on April 21, 1879
William Rowan Hamilton
Jan Brewer
Can of New Coke
ZX Spectrum
Medal depicting Charles II
1927 FA Cup programme
Ineligible
| Blurb | Reason |
|---|---|
| World Book Day; | refimprove |
| Saint George's Day in various countries; | refimprove section |
| 1827 – Irish mathematician and physicist William Rowan Hamilton presented his Theory of Systems of Rays. | refimprove section |
| 1879 – A fire destroyed the second version of the Main Building of the University of Notre Dame, one of the oldest Catholic universities in the United States. | incomplete citations/page numbers missing |
| 1923 – Gdynia was inaugurated as a Polish seaport on the coast of Gdańsk Bay, a southwestern bay of the Baltic Sea. | expansion |
| 1935 – Poland adopted a new constitution, introducing a presidential system with certain elements of authoritarianism. | Stubby, no footnotes |
| 1961 – In the midst of the Algerian War, French President Charles de Gaulle delivered a televised speech calling on military personnel and civilians to oppose a coup d'état attempt against him. | refimprove section |
| 1968 – Students protesting the Vietnam War at Columbia University in New York City took over administration buildings and shut down the university. | neutrality issues, refimprove section |
| 1982 – The ZX Spectrum (pictured), Britain's best-selling microcomputer, was released. | Lots of uncited material |
| 1982 – The city of Key West, Florida, facetiously declared independence from the United States to protest a United States Border Patrol roadblock and inspection point along U.S. Route 1, the main road into the city. | refimprove section |
| * 1516 – The best-known version of the Reinheitsgebot, a German law on the purity of beer, was adopted in Bavaria. | Number of uncited parts |
| * 1016 – Edmund Ironside became King of England, reigning for only seven months before the country was conquered by Cnut the Great. | Section tagged for referencing |
| * 1985 – The Coca-Cola Company replaced its flagship soft drink, Coca-Cola, with "New Coke", which generated so much negative response that the company put the previous formula back on the market less than three months later. | Citations needed |
| Shirley Temple |b|1928 | tag |
Eligible
- 1348 – The first knights of the Order of the Garter, an order of chivalry founded by King Edward III of England, were appointed.
- 1467 – Albanian commander Skanderbeg entered Krujë, breaking a 10-month siege by Ottoman forces.
- 1661 – Charles II was crowned King of England, Scotland and Ireland at Westminster Abbey.
- 1724 – Johann Sebastian Bach leads the first performance of his cantata Du Hirte Israel, höre, BWV 104, illustrating the topic of the Good Shepherd in pastoral music.
- 1891 – Chilean Civil War: The armored frigate Blanco Encalada was sunk at the Battle of Caldera Bay, the first ironclad warship lost to a self-propelled torpedo.
- 1918 – First World War: The British Royal Navy launched unsuccessful raids on Ostend and Zeebrugge in German-occupied Belgium.
- 1920 – The Grand National Assembly of Turkey, the country's unicameral legislature, first met in Ankara in the midst of the Turkish War of Independence.
- 1927 – Cardiff City defeated Arsenal 1–0 in the FA Cup final (match programme pictured) in the only time the FA Cup has been won by a non-English team.
- 1942 – Second World War: In retaliation for the Royal Air Force's bombing of Lübeck, the Luftwaffe began a series of air raids across England, beginning with Exeter.
- 1951 – American journalist William N. Oatis was arrested for espionage by the communist government of Czechoslovakia.
- 1954 – Batting for the Milwaukee Braves against Vic Raschi of the St. Louis Cardinals, Hank Aaron hit the first of his 755 home runs in Major League Baseball.
- 1971 – The Rolling Stones released Sticky Fingers, the first album on their own label, Rolling Stones Records.
- 2009 – The gamma-ray burst GRB 090423 was detected coming from the most distant astronomical object of any kind known at the time.
- 2010 – Arizona governor Jan Brewer signed into law the controversial anti–illegal immigration bill SB 1070, much of which was later struck down by the U.S. Supreme Court.
- 2019 – A landslide triggered the collapse of a jade mine in Hpakant, Myanmar, resulting in six confirmed deaths and presumed dozens more.
- Born/died this day: | Wihtred of Kent |d|725| Béla III of Hungary |d|1196| Joan of Acre |d|1307| Karl Friedrich Bahrdt |d|1792| Jim Bottomley |b|1900| Halston |b|1932| Roy Orbison |b|1936| Kathy Lynch |b|1957| Leni Robredo|b|1965
Notes
April 23: First day of Passover (Judaism); National Sovereignty and Children's Day in Turkey; the Third Month Fair begins in Dali City, China (2024)
Liberation of Flossenbürg
- 1467 – Ottoman wars in Europe: Albanian leader Skanderbeg defeated an Ottoman army under Ballaban Badera to raise the siege of Krujë.
- 1945 – World War II: The US Army's 90th Infantry Division liberated Flossenbürg concentration camp (pictured) in Germany, freeing 1,500 prisoners.
- 1976 – The American band the Ramones released their debut album, which became highly influential on the emerging punk rock movement.
- 1979 – Blair Peach, a New Zealand teacher, was fatally injured after being knocked unconscious during an Anti-Nazi League demonstration against a National Front election meeting in Southall, London.
- 2018 – A man intentionally struck pedestrians with a van on Yonge Street in Toronto, Canada, leading to 11 deaths.
- Joan of France (b. 1464)
- Pandita Ramabai (b. 1858)
- Satyajit Ray (d. 1992)