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. 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 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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Richard Nixon delivering Checkers speech
Benedict Arnold
Ramon Betances
Ramón Emeterio Betances
Neptune
Ineligible
| Blurb | Reason |
|---|---|
| 1123 – Pope Callixtus II and Holy Roman Emperor Henry V agreed to the Concordat of Worms to put an end to the Investiture Controversy. | unreferenced section, lots of CN tags |
| 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 |
| 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. | Neptune is POTD for 2019 |
| 1875 – Billy the Kid (pictured) was arrested for the first time after stealing clothes from a laundryman, beginning his life as an infamous American outlaw and gunman. | Hook contradicts the article lede, which says his first arrest was for stealing food. It also says the laundry incident was ten days after the 16th September, which isn't today |
| 1889 – Fusajiro Yamauchi founded Nintendo in Kyoto, Japan, to produce handmade hanafuda cards. | expansion |
| 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 |
| El Santo (b. 1917) | refimprove section |
| Bruce Springsteen (b. 1949) | refimprove |
Eligible
- 1868 – Ramón Emeterio Betances led the Grito de Lares, a revolt against Spanish rule in Puerto Rico.
- 2008 – A gunman shot and killed ten students at Seinäjoki University of Applied Sciences in Kauhajoki, Western Finland, before committing suicide.
- 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.
- Born this day: Eleonora Gonzaga (b. 1598) · Émilie Gamelin (d. 1851) · Vincenzo Bellini (d. 1835) · Louise Nevelson (b. 1899) · Ambroise Noumazalaye (b. 1933) · Cherie Blair (b. 1954) · Sean Spicer (b. 1971)
September 23: Celebrate Bisexuality Day; National Day in Saudi Arabia (1932)
Nixon delivering the Checkers speech
- 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.
- 2002 – The initial version of the Firefox web browser was released by the Mozilla Organization.
- 2016 – Following a number of high-profile sexual assaults, major reforms were enacted to strengthen laws related to rape in Germany.
John Ainsworth Horrocks (d. 1846) · Kostas Tournas (b. 1949) · Michiru Yamane (b. 1963)
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