Wikipedia talk:Selected anniversaries/August 25

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This is the talk page for making suggestions or discussing improvements to Wikipedia:Selected anniversaries/August 25.

To report an error when this list is currently 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.
Before making a suggestion, please read the selected anniversaries guidelines. Please remember that this list usually defers to supporting pages when there is disagreement, so it is best to achieve consensus and make any necessary changes there first.
To discuss improvements to the corresponding August 25 article, see Talk:August 25 instead.

Frequently asked questions

Q1: Why is [Insert event here], an event that is "more important and significant" than all the others that are currently listed, not posted?: A1: Relative article quality along with the mix of topics already listed are often deciding factors in what gets posted. Any given day of the year can have a great many important or significant historical events. The problem is that there is generally only room on the Main Page to list about 5 events at a time, so not everything can be posted.

As stated on Wikipedia:FAQ/Main Page, the items and events posted on the Main Page are chosen based more on how well they are written, not based on how much important or significant their subjects are. It is easier for admins to select a well-written, cited, verifiable article over a poor one versus trying to determine objectively how much a subject is important or significant.

Keep in mind that the quality requirements only apply to the selected bolded article, not the other links. Thus, an event may qualify for multiple dates in a year if there is an article written in a summary style and an article providing detailed content; if one of those pages have cleanup issues, the other page can be bolded as an alternate.

Another criterion is to maintain some variety of topics, and not exhibit, just for example, tech-centrism, or the belief that the world stops at the edge of the English-speaking world. Many days have a large pool of potential articles, so they will rotate in and out every year to give each one some Main Page exposure. In addition, an event is not posted if it is also the subject of this year's scheduled featured article or featured picture.

Q2: There are way too many 20th-century events listed. Why aren't there more events from the 19th century and before?

A2: The short, basic reason is the systemic bias of Wikipedia. There are not enough good, well-written articles on 19th-century and earlier events for all 365 days in the year. Currently, a majority of users seem to be generally more interested in writing articles about recent events. If you would like to further help mitigate the systemic bias in Wikipedia, see Wikipedia:WikiProject Countering systemic bias.

Q3: This page seems to be biased toward events based in [Insert country or region here]. What can be done about it?

A3: This again is attributed to the systemic bias of Wikipedia. Many users are generally more interested in working on good, well-written articles pertaining to their home country. Since this is the English Wikipedia, there will be more English-speaking users, and thus more articles pertaining to English-speaking countries. And if there are more users who are from the United States, there will probably be more well-written articles about events based in the United States. Again, if you would like to further help mitigate the systemic bias in Wikipedia, see Wikipedia:WikiProject Countering systemic bias.

Q4: Why is the birthday/death anniversary of [Insert name here] not listed?

A4: There are only four slots available for birth and death anniversaries. As with the events, article quality and diversity in time period, geography, and reason for notability are all contributing factors in whether an article gets selected for inclusion.

Q5: Are the holidays/observances listed in any particular order?

A5: Yes, there is a specified order: International observances first, then alphabetically by where observed.

Q6: Some of the holidays/observances that are listed have dates in parentheses beside them. What do they mean?

A6: There are two reasons that some holidays/observances have dates next to them:

Non-Gregorian-based holidays/observances are marked with the current year as a reminder to others that their dates do in fact vary from year to year.
National Days, Independence Days, and other holidays celebrating the nationhood of a country are generally marked by the year of the significant historic date being observed.

Today's featured article for August 25, 2025
Wikipedia:Today's featured article/August 25, 2025 create – talk – watch
Picture of the day for August 25, 2025
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← Wikipedia talk:Selected anniversaries/August 24 * Wikipedia talk:Selected anniversaries/August 26 →

Voyager 2 20th Anniversary
Why isn't the Twentieth anniversary of Voyager 2's mission to Neptune in this section? It was the last planet fly-by during the "Grand Tour" of the outer solar system, and it really was an scientifically significant moment. The 1945 story is not nearly as significant, nor is it a major anniversary, which the Neptune fly-by is. Please change this.~Abebenjoe

WP: ERRORS, mean Che, checked Voyager 2, 1945 and Voyager 2 and Neptune fly-by, no patience for it !

                     will send it along to you in mail, one of these days I guess you will change it
                     SelAnniv65.92.98.29 (talk) 19:10, 25 August 2011 (UTC) 25th August, 2011 3:10 p.m.[reply]

2012 notes

Moved to Ineligible: Bar Harbor Airlines Flight 1808 (maintenance)
New articles (unused): Rings of Neptune (moved from August 22—wrong date)
Omitted: George Mouzalon; Galileo Galilei; Uruguay; National Park Service; Battle of Warsaw (1920)
Included: Ommen (2nd appearance, last in 2010); Battle of Alcântara (1580) (first appearance); Anglo-Polish military alliance (first appearance); Battle of Milne Bay (first appearance); John Birch (missionary) (3rd appearance, last in 2009)

—howcheng {chat} 09:51, 24 August 2012 (UTC)[reply]

2013 notes

Omitted: Ommen; Battle of Alcântara (1580); Anglo-Polish military alliance; Battle of Milne Bay; John Birch (missionary)
Included: Honourable Artillery Company (4th appearance, last in 2009); Galileo Galilei (9th appearance, last in 2011); Althea Gibson (3rd appearance, last in 2005; previously appeared on July 6); Rings of Neptune (2nd consecutive appearance, 2 total; moved from August 22); Aaliyah (2nd appearance, last in 2010)

—howcheng {chat} 06:04, 24 August 2013 (UTC)[reply]

2014 notes

Omitted: George Mouzalon; Honourable Artillery Company; Galileo Galilei; Althea Gibson; Aaliyah
Included: Battle of Alcântara (1580) (2nd appearance, last in 2012); Uruguay (3rd appearance as blurb, last in 2010); Battle of Warsaw (1920) (11th appearance, last in 2011); Battle of Milne Bay (2nd appearance, last in 2012)
Repeats: Rings of Neptune (3rd consecutive appearance, 3 total; 25th anniversary)

—howcheng {chat} 06:15, 24 August 2014 (UTC)[reply]

2015 notes

New articles (ineligible): Belgian Revolution (featured on October 4)
Omitted: Battle of Alcântara (1580); Battle of Milne Bay; Rings of Neptune
Included: Ommen (2nd appearance, last in 2012); Galileo Galilei (10th appearance, last in 2013); George Lincoln Rockwell (first appearance)
Repeats: Uruguay (2nd consecutive appearance as blurb, 4 total); Battle of Warsaw (1920) (2nd consecutive appearance, 12 total)

—howcheng {chat} 18:14, 23 August 2015 (UTC)[reply]

2016 notes

New articles (ineligible): Battle of Vukovar (featured on November 18)
Moved to Ineligible: Battle of Alcântara (1580) (maintenance); National Park Service (maintenance); John Birch (missionary) (maintenance)
Omitted: Ommen (ineligible—maintenance); Galileo Galilei; Uruguay; George Lincoln Rockwell
Included: George Mouzalon (4th appearance, last in 2013); Honourable Artillery Company (5th appearance, last in 2013); Battle of Milne Bay (3rd appearance, last in 2014); Aaliyah (3rd appearance, last in 2013)
Repeats: Battle of Warsaw (1920) (3rd consecutive appearance, 13 total)

—howcheng {chat} 18:57, 24 August 2016 (UTC)[reply]

2017 notes

Moved to Ineligible: Galileo Galilei (maintenance); Uruguay (maintenance)
Omitted: Honourable Artillery Company; Battle of Warsaw (1920); Aaliyah
Included: Battle of Zorndorf (first appearance; rescued from Ineligible); Battle of Milne Bay (3rd appearance, last in 2014; 75th anniversary); Althea Gibson (3rd appearance, last in 2013); Rings of Neptune (4th appearance, last in 2014); Agnes Mowinckel (first appearance); Mary Tappan Wright (first appearance); Theresa Andrews (first appearance)
Repeats: George Mouzalon (2nd consecutive appearance, 5 total)

—howcheng {chat} 06:15, 25 August 2017 (UTC)[reply]

2018 notes

Moved to Ineligible: George Lincoln Rockwell (maintenance)
Omitted: George Mouzalon; Battle of Milne Bay; Althea Gibson; Agnes Mowinckel; Mary Tappan Wright; Theresa Andrews
Included: Matthew Webb (3rd appearance, last in 2008; had disappeared from this page at some point ); Anglo-Soviet invasion of Iran (first appearance); Aaliyah (4th appearance, last in 2016); Gennadius of Constantinople (first appearance); Karl Friedrich Bahrdt (first appearance); Velma Caldwell Melville (first appearance)
Repeats: Battle of Zorndorf (2nd consecutive appearance, 2 total); Rings of Neptune (2nd consecutive appearance, 5 total)

—howcheng {chat} 03:09, 25 August 2018 (UTC)[reply]

2019 notes

New articles (unused): Sean Connery; Ricardo Rodríguez (footballer); Ray Jones (footballer, born 1988)
Omitted: Battle of Zorndorf; Anglo-Soviet invasion of Iran; Aaliyah; Gennadius of Constantinople; Karl Friedrich Bahrdt; Velma Caldwell Melville
Included: Honourable Artillery Company (6th appearance, last in 2016); Althea Gibson (5th appearance, last in 2017); Henry Morgan (first appearance); Luís Alves de Lima e Silva, Duke of Caxias (first appearance); Babe Siebert (first appearance; 80th anniversary)
Repeats: Matthew Webb (2nd consecutive appearance, 4 total); Rings of Neptune (3rd consecutive appearance, 6 total; 30th anniversary)

—howcheng {chat} 16:06, 26 August 2019 (UTC)[reply]

2020 notes

Deleted: Althea Gibson (moved to August 28)
Moved to Ineligible: Battle of Warsaw (1920) (maintenance)
Omitted: Honourable Artillery Company; Matthew Webb; Althea Gibson; Rings of Neptune; Henry Morgan; Luís Alves de Lima e Silva, Duke of Caxias; Babe Siebert
Included: George Mouzalon (6th appearance, last in 2017); Galileo Galilei (11th appearance, last in 2015; rescued from Ineligible); Born to Run (first appearance); Voyager 1 (8th appearance, last in 2018; normally appears on September 5); Emil Theodor Kocher (2nd appearance, last in 2020; also appeared on July 27, his birthday); Sean Connery (first appearance; 90th birthday); Stan McCabe (first appearance)
Repeats: Matthew Webb (3rd consecutive appearance, 5 total)

—howcheng {chat} 03:06, 27 August 2020 (UTC)[reply]

2021 notes

New articles (unused): John Neal (writer) (TFA for 2021-01-20)
Omitted: Uruguay (ineligible—maintenance); Matthew Webb; Born to Run; Voyager 1 (moved back to normal date); Karl Friedrich Bahrdt; Sean Connery; Stan McCabe
Included: Battle of Zorndorf (3rd appearance, last in 2018); Anglo-Soviet invasion of Iran (2nd appearance, last in 2018; 80th anniversary); Aaliyah/2001 Marsh Harbour Cessna 402 crash (Aaliyah: 5th appearance, last in 2018; Crash: first appearance; 20th anniversary); Gennadius of Constantinople (2nd appearance, last in 2018; 550th anniversary); Charles Richet (first appearance); Velma Caldwell Melville (2nd appearance, last in 2018)
Repeats: George Mouzalon (2nd consecutive appearance, 7 total); Galileo Galilei (2nd consecutive appearance, 12 total)

—howcheng {chat} 07:49, 26 August 2021 (UTC)[reply]

2022 notes

New articles (unused): 2011 Monterrey casino attack
Omitted: Galileo Galilei (ineligible—maintenance); Anglo-Soviet invasion of Iran (ineligible—maintenance); Gennadius of Constantinople; Charles Richet; Velma Caldwell Melville
Included: Battle of Milne Bay (4th appearance, last in 2017; 80th anniversary); Rings of Neptune (7th appearance, last in 2019); Henry Morgan (2nd appearance, last in 2019); Luís Alves de Lima e Silva, Duke of Caxias (2nd appearance, last in 2019); Agnes Mowinckel (2nd appearance, last in 2017)
Repeats: George Mouzalon (3rd consecutive appearance, 8 total); Battle of Zorndorf (2nd consecutive appearance, 4 total); Aaliyah/2001 Marsh Harbour Cessna 402 crash (both: 2nd consecutive apperance; Aaliyah: 6 total; Crash: 2 total)

—howcheng {chat} 17:38, 7 September 2022 (UTC)[reply]