Wikipedia talk:Selected anniversaries/September 27

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This is the talk page for making suggestions or discussing improvements to Wikipedia:Selected anniversaries/September 27.

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 September 27 article, see Talk:September 27 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 September 27, 2025
Wikipedia:Today's featured article/September 27, 2025 create – talk – watch
Picture of the day for September 27, 2025
The featured picture for this day has not yet been chosen. In general, pictures of the day are scheduled in order of promotion to featured status. See Wikipedia:Picture of the day/Guidelines for full guidelines. create

← Wikipedia talk:Selected anniversaries/September 26 * Wikipedia talk:Selected anniversaries/September 28 →

What about See You at the Pole?74.137.230.39 01:31, 27 September 2006 (UTC)[reply]

Already replied at Wikipedia talk:Selected anniversaries#See You at the Pole is today. --PFHLai 18:02, 16 October 2006 (UTC)[reply]

Typography tweak

Could you replace the E=mc² with the MOS-compliant E = mc². I.e.

{{*mp}} [[1905]] – The physics journal ''[[Annalen der Physik]]'' published [[Albert Einstein]]'s fourth [[Annus Mirabilis papers|Annus Mirabilis paper]] "Does the Inertia of a Body Depend Upon Its Energy Content?", which introduced the equation '''[[Mass–energy equivalence|E=mc²]]'''.

with

{{*mp}} [[1905]] – The physics journal ''[[Annalen der Physik]]'' published [[Albert Einstein]]'s fourth [[Annus Mirabilis papers|Annus Mirabilis paper]] "Does the Inertia of a Body Depend Upon Its Energy Content?", which introduced the equation '''[[Mass–energy equivalence|{{nowrap|''E'' {{=}} ''mc''<sup>2</sup>}}]]'''.

Thanks. Headbomb {talk / contribs / physics / books} 15:56, 27 September 2010 (UTC)[reply]

Done Skier Dude (talk 04:18, 28 September 2010 (UTC)[reply]

2012 notes

Moved to Ineligible: Shenzhou 7 (appears on September 25)
New articles (unused): Dawn (spacecraft) (ineligible—just appeared on ITN)
Omitted: Iyasu V; Aung San Suu Kyi/National League for Democracy; Taliban/Islamic Emirate of Afghanistan
Included: Liberty ship (first appearance); GNU (4th appearance, last in 2008; rescued from Ineligible); Sukhumi massacre (first appearance); Jagadguru Rambhadracharya Handicapped University (first appearance)
Repeats: Treaty of Melno (2nd consecutive appearance, 2 total)

—howcheng {chat} 05:50, 26 September 2012 (UTC)[reply]

2013 notes

Rescued from Ineligible (unused): Dawn (spacecraft)
New articles (unused): BAC TSR-2
Omitted: Treaty of Melno; Liberty ship; GNU; Jagadguru Rambhadracharya Handicapped University
Included: Lancaster, Pennsylvania (3rd appearance, last in 2010); Ellen Southard (first appearance); Iyasu V (2nd appearance, last in 2011); Aung San Suu Kyi/National League for Democracy (Aung San Suu Kyi: 5th appearance, last in 2011; National League: first appearance; 25th anniversary)
Repeats: Sukhumi massacre (2nd consecutive appearance, 2 total; 20th anniversary)

—howcheng {chat} 05:33, 26 September 2013 (UTC)[reply]

2014 notes

New articles (unused): SS Arctic disaster (TFA for 2014)
Omitted: Lancaster, Pennsylvania; Ellen Southard; Aung San Suu Kyi/National League for Democracy; Sukhumi massacre
Includes: Battle of Kircholm (first appearance); Stockton and Darlington Railway (7th appearance, last in 2010; rescued from Ineligible); BAC TSR-2 (first appearance; 50th anniversary); Dawn (spacecraft) (first appearance)
Repeats: Iyasu V (2nd consecutive appearance, 3 total)

—howcheng {chat} 07:26, 26 September 2014 (UTC)[reply]

2015 notes

Rescued from Ineligible (unused): SS Arctic disaster
Omitted: Battle of Kircholm; Stockton and Darlington Railway; Iyasu V; BAC TSR-2; Dawn (spacecraft)
Included: Treaty of Melno (3rd appearance, last in 2012); Jean-François Champollion (first appearance); Ellen Southard (2nd appearance, last in 2013); Ford Model T (5th appearance, last in 2010); GNU (6th appearance, last in 2012)

—howcheng {chat} 07:51, 25 September 2015 (UTC)[reply]

2016 notes

Moved to Ineligible: Lancaster, Pennsylvania (maintenance)
New articles (unused): Last use of capital punishment in Spain
Omitted: Treaty of Melno; Jean-François Champollion; Ellen Southard; Ford Model T; GNU
Included: Stockton and Darlington Railway (8th appearance, last in 2014); SS Arctic disaster (first appearance); Iyasu V (4th appearance, last in 2014; 100th anniversary); Liberty ship (2nd appearance, last in 2014; 75th anniversary); Taliban/Islamic Emirate of Afghanistan (Taliban: 4th appearance; Afghanistan: 2nd appearance; both last in 2011; 20th anniversary)

—howcheng {chat} 16:19, 27 September 2016 (UTC)[reply]

2017 notes

Moved to Ineligible: Battle of Kirchholm (maintenance); Sukhumi massacre (maintenance)
New articles (unused): Ford Piquette Avenue Plant (blurb previously featured Ford Model T which is currently ineligible); Bobby Jones (golfer); Silent Spring; 2014 Mount Ontake eruption
Omitted: Stockton and Darlington Railway; SS Arctic disaster; Iyasu V; Liberty ship (ineligible—maintenance); Taliban/Islamic Emirate of Afghanistan
Included: Treaty of Melno (4th appearance, last in 2015); Ellen Southard (3rd appearance, last in 2015); Flag of China (first appearance); Last use of capital punishment in Spain (first appearance); Dawn (spacecraft) (2nd appearance, last in 2014; 10th anniversary); Thomas Nast (first appearance); Edgar Degas (first appearance); Avril Lavigne (first appearance)

—howcheng {chat} 15:42, 27 September 2017 (UTC)[reply]

Question

@Howcheng: Thanks for your efforts in OTD. I nominated Operation Samen-ol-A'emeh for OTD of 27 September but I find out that you removed it from the list. What's my fault, would you explain to me?Saff V. (talk) 06:50, 26 September 2018 (UTC)[reply]

@Saff V.: Please see this edit. There are some problems with the article. —howcheng {chat} 15:36, 26 September 2018 (UTC)[reply]

2018 notes

Rescued from Ineligible (unused): Bali tiger; Tripartite Pact; SS Patrick Henry/Liberty ship
New articles (unused): Mohammad Najibullah (moved from September 28 and added to Taliban/Islamic Emirate of Afghanistan blurb)
Omitted: World Tourism Day (ineligible—maintenance); Treaty of Melno; Ellen Southard; Flag of China; Last use of capital punishment in Spain; Dawn (spacecraft); Thomas Nast; Edgar Degas; Avril Lavigne
Included: Stockton and Darlington Railway (9th appearance, last in 2016); SS Arctic disaster (2nd appearance, last in 2016); Bobby Jones (golfer) (first appearance); BAC TSR-2 (2nd appearance, last in 2014); Aung San Suu Kyi/National League for Democracy (ASSK: 6th appearance; NLD: 2nd appearance; both last in 2013; 30th anniversary); Felice della Rovere (first appearance); Ivan Goncharov (first appearance); Gwyneth Paltrow (first appearance)

—howcheng {chat} 15:53, 27 September 2018 (UTC)[reply]

2019 notes

Moved to Ineligible: Bali tiger (date questionable)
Omitted: Stockton and Darlington Railway; SS Arctic disaster; Bobby Jones (golfer); BAC TSR-2; Aung San Suu Kyi/National League for Democracy; Felice della Rovere; Ivan Goncharov; Gwyneth Paltrow
Included: Treaty of Melno (5th appearance, last in 2017); Jean-François Champollion (3rd appearance, last in 2017; also appeared on December 23, his birthday); Flag of China (2nd appearance, last in 2017; 70th anniversary); 2014 Mount Ontake eruption (first appearance); Guillaume Rondelet (first appearance); Braxton Bragg (first appearance); Kenji Nagai (first appearance)

—howcheng {chat} 18:00, 30 September 2019 (UTC)[reply]

2020 notes

Moved to Ineligible: Bobby Jones (golfer) (maintenance); Silent Spring (maintenance); Mohammad Najibullah/Islamic Emirate of Afghanistan (Afghanistan: maintenance); Avril Lavigne (maintenance)
Omitted: Treaty of Melno; Jean-François Champollion; Flag of China; 2014 Mount Ontake eruption; Guillaume Rondelet; Braxton Bragg; Kenji Nagai
Included: Locomotion No. 1/Stockton and Darlington Railway (Locomotion: first appearance; S&DR: 10th, last in 2018); Ford Piquette Avenue Plant (first appearance); Tripartite Pact (6th appearance, last in 2010; 80th anniversary); GNU (6th appearance, last in 2015); Flaminio Scala (first appearance); Bernard Courtois (first appearance); Asashōryū Akinori (first appearance; 40th birthday)

—howcheng {chat} 06:40, 30 September 2020 (UTC)[reply]

2021 notes

Moved to Ineligible: Jagadguru Rambhadracharya Divyanga University (maintenance)
Omitted: Locomotion No. 1; Ford Piquette Avenue Plant; Tripartite Pact; Flaminio Scala; Bernard Courtois; Asashōryū Akinori
Included: Jean-François Champollion (4th appearance, last in 2019); Ellen Southard (4th appearance, last in 2017); Lij Iyasu of Ethiopia (5th appearance, last in 2016); SS Patrick Henry/Liberty ship (PH: first appearance; Ship: 3rd appearance, last in 2016); Alphonsus Liguori (first appearance; 325th birthday); William Rulofson (first appearance); Sylvia Pankhurst (first appearance)
Repeats: GNU (2nd consecutive appearance, 7 total)

—howcheng {chat} 07:46, 28 September 2021 (UTC)[reply]

2022 notes

Rescued from Ineligible (unused): Operation Samen-ol-A'emeh
Omitted: Jean-François Champollion; Ellen Southard; Lij Iyasu; SS Patrick Henry/Liberty ship; GNU; Alphonsus Liguori; William Rulofson; Sylvia Pankhurst
Included: Siege of Inabayama Castle (first appearance); Pedra Branca, Singapore (first appearance); SS Arctic disaster (3rd appearance, last in 2018); Aung San Suu Kyi/National League for Democracy (Aung San Suu Kyi: 7th appearance; National League: 3rd appearance; both last in 2018); Mohammad Najibullah (first appearance); Felice della Rovere (2nd appearance, last in 2018); Flaminio Scala (2nd appearance, last in 2020); Asashōryū Akinori (2nd appearance, last in 2020)

Heart ^(talk) 04:00, 29 July 2023 (UTC)[reply]