Wikipedia:Selected anniversaries/September 23
This is a list of selected September 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. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.
Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article or picture of the day.
To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.
Images
Use only ONE image at a time
-
Benedict Arnold -
Ramon Betances -
Ramón Emeterio Betances -
Neptune -
Nintendo headquarters, 1889
Ineligible
| Blurb | Reason |
|---|---|
| National Day in Saudi Arabia (1932) | both "National Day" article and the country itself are orange tagged |
| 1123 – Pope Callixtus II and Holy Roman Emperor Henry V agreed to the Concordat of Worms to put an end to the Investiture Controversy. | needs more footnotes |
| 1459 – Yorkist forces led by Richard Neville defeated Lancastrian troops at the Battle of Blore Heath in Staffordshire, England, a major battle of the Wars of the Roses. | refimprove section |
| 1779 – American Revolutionary War: John Paul Jones led a Franco-American squadron to victory in the Battle of Flamborough Head, one of the most celebrated naval actions of the war. | rewrite, primary |
| 1821 – Greek War of Independence: Greek rebels captured Tripolitsa after a five-month siege and began a massacre of Muslim and Jewish residents. | needs more footnotes (9 {cn} tags) |
| Vincenzo Bellini |d|1835| | Heaps of unsourced paras |
| 1845 – American bookseller Alexander Cartwright founded the New York Knickerbockers, one of the first organized baseball teams. | refimprove |
| 1846 – Using mathematical predictions by French mathematician Urbain Le Verrier, German astronomer Johann Gottfried Galle became the first person to observe Neptune and recognise it as a hitherto unknown planet. | lots of CN tags (7) |
| 1868 – Ramón Emeterio Betances led the Grito de Lares, a revolt against Spanish rule in Puerto Rico. | needs more footnotes |
| 1889 – Fusajiro Yamauchi founded Nintendo in Kyoto, Japan (original headquarters pictured), to produce handmade hanafuda playing cards. | Citation problems |
| 1899 – Philippine–American War: The American Asiatic Squadron destroyed a Filipino artillery battery in Olongapo. | one source |
| 1932 – The Kingdom of Hejaz and Nejd merged with Al-Hasa and Qatif to form the Kingdom of Saudi Arabia, with Ibn Saud as the first monarch and Riyadh as the capital city. | refimprove |
| 1983 – A bomb placed by the Abu Nidal organisation destroyed Gulf Air Flight 771, flying from Karachi, Pakistan, to Abu Dhabi, UAE, killing all 112 people aboard. | expansion |
| 2002 – The first version of the web browser Firefox was released by the Mozilla Organization. | lots of citations needed (16) |
| Francesco Barberini |b|1597| | lots of citations needed (7) |
| El Santo |b|1917 | refimprove section |
| Bruce Springsteen |b|1949 | refimprove |
Eligible
- 1884 – The French steamship Arctique ran aground on the northern coast of Cape Virgenes in Argentina; gold was discovered during the rescue effort, triggering the Tierra del Fuego gold rush.
- 2010 – Teresa Lewis became the first woman to be executed by the U.S. state of Virginia since 1912, and the first woman in the state to be executed via lethal injection.
- 2019 – The British travel company Thomas Cook Group ceased operations with immediate effect, leaving around 600,000 tourists stranded around the world.
- Born this day: Joseph Dudley |b|1647| John Ainsworth Horrocks |d|1846| Émilie Gamelin |d|1851| Ellen Hayes |b|1851| Paul Delvaux |b|1897| Louise Nevelson |b|1899| Ambroise Noumazalaye |b|1933| Sigmund Freud |d|1939| Kostas Tournas |b|1949| Cherie Blair |b|1954|Sean Spicer |b|1971 }}
September 23: Celebrate Bisexuality Day
- 1780 – American Revolutionary War: British officer John André was captured by Patriot forces, thereby revealing a plot by Continental Army general Benedict Arnold to hand over West Point, New York.
- 1803 – Maratha troops were defeated by forces of the British East India Company at the Battle of Assaye, one of the decisive battles of the Second Anglo-Maratha War.
- 1952 – U.S. vice-presidential candidate Richard Nixon delivered the Checkers speech (pictured), one of the first political uses of television to appeal directly to the populace.
- 2008 – A gunman shot and killed ten students at the Seinäjoki University of Applied Sciences in Kauhajoki, Finland, before committing suicide.
- 2016 – Following a number of high-profile sexual assaults, major reforms were enacted to strengthen laws related to rape in Germany.
- Eleonora Gonzaga (b. 1598)
- Werner Voss (d. 1917)
- Michiru Yamane (b. 1963)