Three mountain problem: Revision history

13 September 2023

• curprev 20:0920:09, 13 September 2023‎ Arjayay talk contribs‎ m 8,681 bytes 0‎ Sp undo Tag: Manual revert

10 July 2023

• curprev 17:2217:22, 10 July 2023‎ 98.153.13.166 talk‎ 8,681 bytes 0‎ →‎During Preoperational Stage undo Tag: Reverted

30 May 2023

• curprev 09:1409:14, 30 May 2023‎ 59.96.202.14 talk‎ 8,681 bytes +3‎ →‎During Concrete Operational Stage undo

28 April 2023

• curprev 11:1411:14, 28 April 2023‎ Prince of Erebor talk contribs‎ m 8,678 bytes +12‎ Reverted 1 edit by 193.117.226.226 (talk) to last revision by Billjones94 undo Tags: Twinkle Undo
• curprev 11:1311:13, 28 April 2023‎ 193.117.226.226 talk‎ 8,666 bytes −12‎ No edit summary undo Tag: Reverted

1 January 2023

• curprev 06:2206:22, 1 January 2023‎ Billjones94 talk contribs‎ 8,678 bytes +66‎ Added short description undo Tags: Mobile edit Mobile web edit

29 August 2022

• curprev 03:3903:39, 29 August 2022‎ 162.247.5.10 talk‎ 8,612 bytes +12‎ nationality undo Tag: Visual edit

29 October 2021

• curprev 09:5709:57, 29 October 2021‎ 193.191.158.18 talk‎ 8,600 bytes −7‎ No edit summary undo
• curprev 09:5609:56, 29 October 2021‎ 193.191.158.18 talk‎ 8,607 bytes +10‎ No edit summary undo
• curprev 09:5609:56, 29 October 2021‎ 193.191.158.18 talk‎ 8,597 bytes −2‎ No edit summary undo

1 February 2021

• curprev 10:2510:25, 1 February 2021‎ 81.108.138.229 talk‎ 8,599 bytes −12‎ →‎Methods undo
• curprev 10:2510:25, 1 February 2021‎ 81.108.138.229 talk‎ 8,611 bytes +16‎ →‎Methods undo

21 September 2020

• curprev 12:2612:26, 21 September 2020‎ Dolph Kohnstamm talk contribs‎ 8,595 bytes +1‎ correct spelling demands for a change of "three mountain" into te plural three mountains. This should also be changed in the title of this lemma/article, but being a non-English visitor here I do not dare to do that myself. Dolph Kohnstamm Prof.Emeritus of Leyden University (Neth) undo

9 June 2020

• curprev 13:2013:20, 9 June 2020‎ InternetArchiveBot talk contribs‎ 8,594 bytes +79‎ Bluelink 1 book for verifiability (refca)) #IABot (v2.0.1) (GreenC bot undo

17 May 2020

• curprev 15:4715:47, 17 May 2020‎ Jay Hodec talk contribs‎ 8,515 bytes −80‎ No edit summary undo Tag: Visual edit
• curprev 15:4615:46, 17 May 2020‎ Jay Hodec talk contribs‎ 8,595 bytes −16‎ No edit summary undo Tag: Visual edit

29 January 2020

• curprev 17:4617:46, 29 January 2020‎ InternetArchiveBot talk contribs‎ 8,611 bytes +83‎ Bluelink 1 book for verifiability.) #IABot (v2.0) (GreenC bot undo

1 November 2019

• curprev 02:2402:24, 1 November 2019‎ Tom.Reding talk contribs‎ m 8,528 bytes −24‎ WP:GenFixes on, typo(s) fixed: ’s → 's (12) undo Tag: AWB

18 June 2019

• curprev 13:3413:34, 18 June 2019‎ Triptropic talk contribs‎ m 8,552 bytes +3‎ Corrected uni name undo Tag: 2017 wikitext editor

25 October 2018

• curprev 18:3718:37, 25 October 2018‎ 2a02:c7f:4058:8400:d891:450f:35a5:6f5f talk‎ 8,549 bytes −7‎ No edit summary undo Tags: Mobile edit Mobile web edit

14 May 2018

• curprev 19:1719:17, 14 May 2018‎ DeprecatedFixerBot talk contribs‎ m 8,556 bytes +12‎ Removed deprecated parameter(s) from Template:Columns-list using DeprecatedFixerBot. Questions? See Template:Div col#Usage of "cols" parameter or msg TSD! (please mention that this is task #2!)) undo

19 April 2018

• curprev 00:0300:03, 19 April 2018‎ 66.76.114.2 talk‎ 8,544 bytes +38‎ →‎Methods undo

17 September 2017

• curprev 18:1818:18, 17 September 2017‎ BD2412 talk contribs‎ m 8,506 bytes −1‎ →‎Follow Up Studies: clean up spacing around punctuation, replaced: , → , using AWB undo

13 October 2016

• curprev 01:1101:11, 13 October 2016‎ 73.13.118.229 talk‎ 8,507 bytes 0‎ →‎During Preoperational Stage: "home in" is the correct phrase undo

9 June 2016

• curprev 03:3403:34, 9 June 2016‎ Tom.Reding talk contribs‎ m 8,507 bytes −151‎ Ref cleanup (translator/link), WP:GenFixes on,, added orphan tag using AWB undo

10 September 2015

• curprev 07:4907:49, 10 September 2015‎ Gilliam talk contribs‎ m 8,658 bytes −17‎ Reverted edits by 180.190.115.76 (talk) to last version by Berek undo
• curprev 07:4907:49, 10 September 2015‎ 180.190.115.76 talk‎ 8,675 bytes +17‎ No edit summary undo

24 February 2015

• curprev 12:4612:46, 24 February 2015‎ Berek talk contribs‎ m 8,658 bytes −24‎ removed Category:Psychology using HotCat undo
• curprev 12:4512:45, 24 February 2015‎ Berek talk contribs‎ 8,682 bytes +38‎ added Category:Developmental psychology using HotCat undo
• curprev 12:4312:43, 24 February 2015‎ Berek talk contribs‎ m 8,644 bytes −33‎ removed Category:Child psychologists using HotCat undo
• curprev 12:4212:42, 24 February 2015‎ Berek talk contribs‎ 8,677 bytes +33‎ added Category:Child psychologists using HotCat undo
• curprev 12:4212:42, 24 February 2015‎ Berek talk contribs‎ 8,644 bytes −6‎ removed Category:Child psychology; added Category:Psychology using HotCat undo
• curprev 12:4112:41, 24 February 2015‎ Berek talk contribs‎ 8,650 bytes +31‎ added Category:Child psychology using HotCat undo

22 February 2015

• curprev 22:2022:20, 22 February 2015‎ CommonsDelinker talk contribs‎ 8,619 bytes −91‎ Removing "Threemountainproblem.png", it has been deleted from Commons by INeverCry because: Copyright violation, see c:Commons:Licensing. undo
• curprev 22:2022:20, 22 February 2015‎ CommonsDelinker talk contribs‎ 8,710 bytes −100‎ Removing "Helenbourkethreemtn.png", it has been deleted from Commons by INeverCry because: Copyright violation, see c:Commons:Licensing. undo
• curprev 22:2022:20, 22 February 2015‎ CommonsDelinker talk contribs‎ 8,810 bytes −112‎ Removing "Threemtndiorama.png", it has been deleted from Commons by INeverCry because: Copyright violation, see c:Commons:Licensing. undo
• curprev 22:2022:20, 22 February 2015‎ CommonsDelinker talk contribs‎ 8,922 bytes −74‎ Removing "Hughespolice.png", it has been deleted from Commons by INeverCry because: Copyright violation, see c:Commons:Licensing. undo
• curprev 22:0322:03, 22 February 2015‎ Kforkeane talk contribs‎ m 8,996 bytes +2‎ →‎Methods undo
• curprev 21:5921:59, 22 February 2015‎ Kforkeane talk contribs‎ m 8,994 bytes −2‎ →‎During Preoperational Stage undo
• curprev 21:5621:56, 22 February 2015‎ Kforkeane talk contribs‎ m 8,996 bytes +44‎ →‎See also undo
• curprev 21:5221:52, 22 February 2015‎ Kforkeane talk contribs‎ 8,952 bytes +204‎ adding supplementary pages undo
• curprev 21:4921:49, 22 February 2015‎ Kforkeane talk contribs‎ m 8,748 bytes 0‎ →‎Variations of the Three Mountain Problem undo
• curprev 21:4721:47, 22 February 2015‎ Kforkeane talk contribs‎ m 8,748 bytes −1‎ →‎Variations of the Three Mountain Problem undo
• curprev 21:3921:39, 22 February 2015‎ Kforkeane talk contribs‎ m 8,749 bytes −4‎ No edit summary undo
• curprev 21:2321:23, 22 February 2015‎ Kforkeane talk contribs‎ 8,753 bytes +8,753‎ Creation of Wikipedia Page for Three Mountain Problem