Wikipedia:Selected anniversaries/September 30

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This is a list of selected September 30 anniversaries that appears on 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 soon will 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 5–6 events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is not generally posted this year if it is also the subject of the scheduled September 30, 2019 featured article or the September 30, 2019 featured picture.

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.

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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
1744War 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
1791The Magic Flute, one of the last operas composed by Wolfgang Amadeus Mozart, premiered at Theater auf der Wieden in Vienna, Austria. refimprove section
1966Seretse 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
1980Xerox, 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



September 30: Blasphemy Day

Władysław Sikorski
Władysław Sikorski

Ann Jarvis (b. 1832) · Doris Mackinnon (b. 1883) · Anwar al-Awlaki (d. 2011)

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