This is a list of selected September 30 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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Ineligible
| Blurb | Reason |
|---|---|
| Independence Day in Botswana (1966); | refimprove section |
| 1399 – Henry Bolingbroke, Duke of Lancaster, deposed Richard II to become Henry IV of England, merging the Duchy of Lancaster with the crown. | refimprove section |
| 1744 – War of the Austrian Succession: The armies of France and Spain won a Pyrrhic victory over the Kingdom of Sardinia at the Battle of Madonna dell'Olmo near Cuneo, Italy. | needs more footnotes |
| 1791 – The Magic Flute, one of the last operas composed by Wolfgang Amadeus Mozart, premiered at Theater auf der Wieden in Vienna, Austria. | refimprove section |
| 1966 – Seretse Khama became the first President of Botswana when the Bechuanaland Protectorate gained independence from the United Kingdom. | refimprove |
| 1979 – Construction of the Kwun Tong line, the first line of Hong Kong's MTR rapid transit system, was completed. | refimprove section |
| 1980 – Xerox, Intel and Digital Equipment Corporation published the first Ethernet specifications, currently the most widespread wired local area network (LAN) technology. | refimprove section |
| 2004 – Japanese researchers took the first photographs of a live giant squid in its natural habitat. | refimprove section |
Eligible
- 737 – Muslim conquest of Transoxiana: Turgesh tribes attacked the exposed Umayyad baggage train, which had been sent ahead of the main force, and captured it.
- 1939 – NBC broadcast the first televised American football game between the Fordham Rams and the Waynesburg Yellow Jackets.
- 1955 – American film actor James Dean suffered fatal injuries in a head-on car accident near Cholame, California.
- 1982 – Cheers, an American television sitcom, debuted with its pilot episode on NBC.
- 1975 – The AH-64 Apache, the primary attack helicopter for a number of countries, made its first flight.
- 2009 – A 7.6 MW earthquake struck off the southern coast of Sumatra, Indonesia, killing 1,115 people and impacting an estimated 1.25 million people.
- 2005 – The Danish newspaper Jyllands-Posten published controversial editorial cartoons depicting Muhammad, sparking protests across the Muslim world by many who viewed them as Islamophobic and blasphemous.
- Born/died: Fan Yanguang (d. 940) · Charles Villiers Stanford (b. 1852) · Catie Ball (b. 1951)
Notes
- Pilot (The Cosby Show) appears on September 20, so Cheers should not appear in the same year
- 1551 – Sue Takafusa, a military leader for the Ōuchi clan in western Japan, led a coup against daimyō Ōuchi Yoshitaka, leading to the latter's forced suicide.
- 1882 – The Vulcan Street Plant, the first hydroelectric central station to serve a system of private and commercial customers in North America, went on line in Appleton, Wisconsin, U.S.
- 1939 – Second World War: General Władysław Sikorski (pictured) became Prime Minister of the Polish government-in-exile.
- 1965 – Members of the 30 September Movement attempted a coup against the Indonesian government, which was crushed by the military under Suharto, leading to a mass anti-communist purge with more than 500,000 people killed over the following months.
- 1998 – The Internet Corporation for Assigned Names and Numbers (ICANN), a nonprofit organization that manages the assignment of domain names and IP addresses in the Internet, was incorporated.
Ann Jarvis (b. 1832) · Doris Mackinnon (b. 1883) · Anwar al-Awlaki (d. 2011)
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