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Case file

Battle of al-Yamama

Wikipedia's first sentence called it “fought in december ad 632 in the plain of aqraba in the region of yamama between the forces of muslim caliph ab”. Today it says “fought in december 632 as part of the ridda wars against a rebellion within the rashidun caliphate in the regio”. The one-line description Wikipedia serves to search engines and AI systems read “Battle fought in December 632 in Arabia”. It now reads “632 battle of the Ridda wars”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2025 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2025

632 battle of the Ridda wars Belligerents Rashidun Caliphate Banu Hanifa and Musaylima's followers Commanders and leaders Abu Bakr Khalid ibn al-Walid Shurahbil ibn Hasana Zayd ibn al-Khattab † Abu Dujana † Abu Hudhayfa ibn Utba † Ikrima ibn Abi Jahl Ammar ibn Yasir al-Bara' ibn Malik Abdullah ibn Suhayl † Wahshi ibn Harb Musaylima † Rajjal ibn Unfuwa † ( ar ) Muhkam ibn Tufayl † ( ar ) Strength 10,000 (before reinforcements) 13,000 (after reinforcements) 50,000-100,000 Casualties and losses 1,200 10,000-21,000 The Battle of Yamama was fought in December 632 as part of the Ridda Wars against a rebellion within the Rashidun Caliphate in the region of al-Yamama (in present-day Saudi Arabia , South of Riyadh City) between the forces of Abu Bakr and Musaylima , a self-proclaimed prophet.This battle was a part of a multi prolonged engagement in the plains of Aqrama and the City of Al-Hadiqat. History of al-Tabari Vol.10 .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1293879195.
Today
Wikipedia's first sentence called it “fought in december ad 632 in the plain of aqraba in the region of yamama between the forces of muslim caliph ab”. Today it says “fought in december 632 as part of the ridda wars against a rebellion within the rashidun caliphate in the regio”. The one-line description Wikipedia serves to search engines and AI systems read “Battle fought in December 632 in Arabia”. It now reads “632 battle of the Ridda wars”. Read the current article and compare.
201020152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2010, and today's defining sentence is their current revision.

Then

fought in december ad 632 in the plain of aqraba in the region of yamama between the forces of muslim caliph ab

Now

fought in december 632 as part of the ridda wars against a rebellion within the rashidun caliphate in the regio

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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