Wikipedia talk:Selected anniversaries/April 25

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This is the talk page for making suggestions or discussing improvements to Wikipedia:Selected anniversaries/April 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 April 25 article, see Talk:April 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 April 25, 2025
Wikipedia:Today's featured article/April 25, 2025 create – talk – watch
Picture of the day for April 25, 2025
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← Wikipedia talk:Selected anniversaries/April 24 * Wikipedia talk:Selected anniversaries/April 26 →

1945 - Elbe Day

This has potential, but it's still a stub, and the people involved are mostly redlinks. Maybe in future. -- PFHLai 02:54, 24 April 2006 (UTC)Reply

"Chernobyl accident" should now be "Chernobyl disaster" as per the page move, an admin should fix this today if they have the chance. --Matthew 05:15, 26 April 2006 (UTC)Reply

Sure. Fixed that already on "tomorrow's" Sel. Anniv. template. Thanks for pointing this out. -- PFHLai 18:43, 7 May 2006 (UTC)Reply

2012 notes

Latest comment: 12 years ago1 comment1 person in discussion

Omitted: Ming Dynasty; San Remo conference; USS Triton (SSRN-586)/Operation Sandblast
Included: La Marseillaise (5th appearance, last in 2007; rescued from Ineligible); Spanish–American War (6th appearance, last in 2010); Gallipoli Campaign (9th appearance, last in 2010); Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid (6th appearance, last in 2010)
Repeats: Rebellion Losses Bill (first appearance; blurb previously featured Burning of the Parliament Buildings in Montreal, which is ineligible due to maintenance)

—howcheng {chat} 05:45, 24 April 2012 (UTC)Reply

2013 notes

Latest comment: 11 years ago1 comment1 person in discussion

Omitted: La Marseillaise (ineligible—maintenance); Rebellion Losses Bill; Spanish–American War; Gallipoli Campaign (ineligible—maintenance)
Included: Ming Dynasty (5th appearance, last in 2011); Guillotine (7th appearance, last in 2010; moved from September 10); Lapland War (first appearance); Violeta Chamorro (first appearance); Amagasaki rail crash (2nd appearance, last in 2007; rescued from Ineligible)
Repeats: Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid (2nd consecutive appearance, 7 total; 60th anniversary)

—howcheng {chat} 06:09, 24 April 2013 (UTC)Reply

2014 notes

Latest comment: 10 years ago1 comment1 person in discussion

Moved to Ineligible: San Remo conference (maintenance)
Rescued from Ineligible (unused): Thornton Affair
Omitted: Ming dynasty; Guillotine; Lapland War; Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid; Violeta Chamorro; Amagasaki rail crash (ineligible—maintenance)
Included: Elbe Day (first appearance); La Marseillaise (6th appearance, last in 2012; rescued from Ineligible); Battle of Marks' Mills (first appearance; 150th anniversary); Landing at Anzac Cove/Gallipoli Campaign (Cove: first appearance (was previously ineligible); Gallipoli: 10th appearance, last in 2012); USS Triton (SSRN-586) (both: 2nd appearance, last in 2011); Mswati III (3rd appearance, last in 2007; rescued from Ineligible)

—howcheng {chat} 06:43, 24 April 2014 (UTC)Reply

Protected edit request on 25 April 2014

Latest comment: 10 years ago3 comments3 people in discussion

This edit request has been answered. Set the |answered= or |ans= parameter to no to reactivate your request.

The feast day for St. Mark the Evangelist (within Christianity) is today, April 25.

L. Thomas W. (talk) 13:13, 25 April 2014 (UTC)Reply

Not done: please establish a consensus for this alteration before using the {{edit protected}} template. --Redrose64 (talk) 14:09, 25 April 2014 (UTC)Reply

Done. —howcheng {chat} 16:06, 25 April 2014 (UTC)Reply

Request: 2014

Latest comment: 10 years ago2 comments2 people in discussion

I don't know if it's too late to be added, but today is the 40th anniversary of the Carnation Revolution in Portugal, which toppled the nearly 50-year old "Estado Novo" dictatorship and set in motion the independence of Angola, Mozambique, etc. A significant marker. Walrasiad (talk) 15:58, 25 April 2014 (UTC)Reply

Carnation Revolution has a big orange maintenance box on the very top, and per the rules, cannot be included. —howcheng {chat} 16:07, 25 April 2014 (UTC)Reply

2015 notes

Latest comment: 9 years ago1 comment1 person in discussion

New articles (unused): Saint Lawrence Seaway (previously appeared on June 26 back in 2006)
Omitted: La Marseillaise (ineligible—maintenance); Battle of Marks' Mills; USS Triton (SSRN-586); Mswati III
Included: Ming dynasty (6th appearance, last in 2013); Rebellion Losses Bill/Burning of the Parliament Buildings in Montreal (both: 2nd appearance; Bill: last in 2012; Burning: last in 2011); Lapland War (2nd appearance, last in 2013; 70th anniversary); Violeta Chamorro (2nd appearance, last in 2013; 25th anniversary)
Repeats: Landing at Anzac Cove/Gallipoli Campaign (both: 2nd consecutive appearance; Landing: 2 total; Gallipoli: 11 total)

—howcheng {chat} 07:04, 23 April 2015 (UTC)Reply

2016 notes

Latest comment: 8 years ago4 comments2 people in discussion

Deleted: Italian resistance movement (we already have Liberation Day (Italy) for the observance)
Moved to Ineligible: Spanish–American War (maintenance); Saint Lawrence Seaway (maintenance)
Omitted: Rebellion Losses Bill/Burning of the Parliament Buildings in Montreal; Landing at Anzac Cove/Gallipoli Campaign; Lapland War; Violeta Chamorro
Included: Battle of Bagrevand (first appearance); Thornton Affair (first appearance); Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid (8th appearance, last in 2013); Mswati III (4th appearance, last in 2014)
Repeats: Ming dynasty (2nd consecutive appearance, 7 total)

—howcheng {chat} 06:27, 24 April 2016 (UTC)Reply

Addendum: Thornton Affair removed for Main Page balance. —howcheng {chat} 15:51, 25 April 2016 (UTC)Reply

@Howcheng: Since you seem to be maintaining this... would it be controversial to remove Red Hat Society Day? Yes, I realize that membership is not "based solely on how important or significant their subjects are," but this is seriously obscure. There is a mighty one line in the linked article: "The official Red Hat Society day is April 25 each year.[14]" Nothing about commemoration, any indication people celebrate it, why they picked that day, nothing. Doesn't seem like other random social clubs should get on OTD by simply decreeing a day to be their "society day." SnowFire (talk) 23:59, 25 April 2016 (UTC)Reply

Hmm, I guess I never really read that article. Its inclusion predates me and I just kept it in because of inertia. It does seem rather obscure and unworthy of inclusion. —howcheng {chat} 21:29, 26 April 2016 (UTC)Reply

2017 notes

Latest comment: 7 years ago1 comment1 person in discussion

Moved to Ineligible: La Marseillaise (maintenance); Guillotine (maintenance); Battle of Marks' Mills (maintenance)
Omitted: Mark the Evangelist (ineligible—maintenance); Anzac Day (ineligible—maintenance); Liberation Day (Italy) (ineligible—maintenance); Elbe Day (ineligible—maintenance); Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid (ineligible—maintenance); Mswati III (ineligible—maintenance)
Included: Burning of the Parliament Buildings in Montreal (3rd appearance, last in 2015; blurb also previously featured Rebellion Losses Bill, which is currently ineligible); San Remo conference (2nd appearance, last in 2011; rescued from Ineligible); Violeta Chamorro (3rd appearance, last in 2015); Edward II of England (5th appearance, last in 2010; previously appeared on February 7); Emer de Vattel (first appearance); Al Pacino (first appearance)
Repeats: Battle of Bagrevand (2nd consecutive appearance, 2 total); Ming dynasty (3rd consecutive appearance, 8 total)

—howcheng {chat} 07:49, 25 April 2017 (UTC)Reply

2018 notes

Latest comment: 6 years ago1 comment1 person in discussion

Deleted: Lapland War (moved to April 27)
Omitted: Battle of Bagrevand; Ming dynasty; Burning of the Parliament Buildings in Montreal (ineligible—maintenance); San Remo conference; Edward II of England; Emer de Vattel; Al Pacino
Included: Pope Leo III/Karolus magnus et Leo papa (both: first appearance); Thornton Affair (first appearance); Landing at Anzac Cove/Landing at Cape Helles/Gallipoli Campaign (Anzac: 4th appearance; Helles: first; Gallipoli: 12th, last in 2015); April 2015 Nepal earthquake (first appearance); Naresuan (first appearance); Georg Sverdrup (first appearance); Dinesh D'Souza (first appearance)
Repeats: Violeta Chamorro (2nd consecutive appearance, 4 total)

—howcheng {chat} 03:35, 26 April 2018 (UTC)Reply

2019 notes

Latest comment: 5 years ago1 comment1 person in discussion

Omitted: Thornton Affair; Landing at Anzac Cove/Landing at Cape Helles/Gallipoli Campaign; Violeta Chamorro; April 2015 Nepal earthquake; Naresuan; Georg Sverdrup; Dinesh D'Souza
Included: Ming dynasty (9th appearance, last in 2017); Nicolas Jacques Pelletier (first appearance; blurb previously featured Guillotine which is currently ineligible and is making its 8th appearance, last in 2013); San Remo conference (3rd appearance, last in 2017); USS Triton (SSRN-586)/Operation Sandblast (both: 3rd appearance, last in 2014); Géza I of Hungary (first appearance); Charles Sumner Tainter (first appearance); Stefanie Zweig (first appearance)
Repeats: Pope Leo III/Karolus magnus et Leo papa (both: 2nd consecutive appearance, 2 total)

—howcheng {chat} 16:13, 25 April 2019 (UTC)Reply

2020 notes

Latest comment: 4 years ago1 comment1 person in discussion

New articles (unused): John McFall (athlete)
Omitted: Pope Leo III/Karolus magnus et Leo papa; Ming dynasty; Nicolas Jacques Pelletier; Géza I of Hungary; Charles Sumner Tainter; Stefanie Zweig
Included: Battle of Bagrevand (3rd appearance, last in 2017); Thornton Affair (2nd appearance, last in 2018); Violeta Chamorro (5th appearance, last in 2018; 30th anniversary); Roger de Quincy, 2nd Earl of Winchester (first appearance); Georg Sverdrup (2nd appearance, last in 2017; 250th birthday); Al Pacino (2nd appearance, last in 2017; 80th birthday)
Repeats: San Remo conference (2nd consecutive appearance, 4 total; 100th anniversary); USS Triton (SSRN-586)/Operation Sandblast (both: 2nd consecutive appearance, 4 total; 60th anniversary)

—howcheng {chat} 02:17, 27 April 2020 (UTC)Reply

2021 notes

Latest comment: 3 years ago1 comment1 person in discussion

New articles (unused): Naperville train disaster (moved from April 26); Henck Arron
Omitted: Battle of Bagrevand; Thornton Affair; San Remo conference; Violeta Chamorro; Roger de Quincy, 2nd Earl of Winchester; Georg Sverdrup; Al Pacino
Included: Ming dynasty (10th appearance, last in 2019); Nicolas Jacques Pelletier (2nd appearance, last in 2019); Landing at Anzac Cove/Landing at Cape Helles/Gallipoli campaign (Anzac: 4th appearance; Helles: 2nd; Campaign: 13th; all last in 2018); April 2015 Nepal earthquake (2nd appearance, last in 2018); Henri Duveyrier (first appearance); Emmeline B. Wells (first appearance; 100th anniversary); John McFall (athlete) (first appearance; 40th birthday)
Repeats: USS Triton (SSRN-586)/Operation Sandblast (both: 3rd consecutive appearance, 5 total)

—howcheng {chat} 07:18, 28 April 2021 (UTC)Reply

2022 notes

Latest comment: 2 years ago1 comment1 person in discussion

Moved to Ineligible: Thornton Affair (maintenance)
Omitted: Nicolas Jacques Pelletier; Landing at Anzac Cove/Landing at Cape Helles/Gallipoli campaign; USS Triton (SSRN-586); April 2015 Nepal earthquake; Henri Duveyrier; Emmeline B. Wells; John McFall (athlete)
Included: Pope Leo III (3rd appearance, last in 2019); Gladys Elinor Watkins (first appearance; 90th anniversary); Naperville train disaster (2nd appearance, last in 2016); Violeta Chamorro (6th appearance, last in 2020); Anders Celsius (first appearance); Kojo Tovalou Houénou (first appearance); Henck Arron (first appearance)
Repeats: Ming dynasty (2nd consecutive appearance, 11 total)

—howcheng {chat} 07:01, 26 April 2022 (UTC)Reply

Yom HaZikaron 2023

Latest comment: 1 year ago2 comments2 people in discussion

Could someone please add "Yom HaZikaron in Israel (2023)" for April 25 2023? Thanks. --Yair rand (talk) 04:45, 24 April 2023 (UTC)Reply

Yes, looks good. Added, thanks - Dumelow (talk) 06:12, 24 April 2023 (UTC)Reply

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