Case file
Pledge of the Tree
Wikipedia's first sentence called it “pledge that was sworn to the islamic prophet muhammad by his sahaba”. Today it says “pledge that was sworn by companions to the islamic prophet muhammad prior to the treaty of al-hudaybiya”.
Found by software in Wikipedia's own edit history. Not yet read by hand. The quoted words are Wikipedia's.
Compared with the live article on 2026-08-04.
We saved snapshots of this article over twenty years; you are reading the 2010 one. Red dashes: removed from Wikipedia since.
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The opening as it read in 2010
Pledge of the Tree ( Arabic : بيعة الشجرة bayʻat al-shajarah ) or Pledge of Pleasure ( Arabic : بيعة الرضوان bayʻat al-riḍwān ) was a pledge that was sworn to the Islamic prophet Muhammad by his Sahaba (companions) prior to the Treaty of Hudaybiyyah (6 AH , 628 CE).1 The pledge, sworn under a tree, was to avenge the rumoured death of Uthman ibn Affan .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 359160316.
Today
Wikipedia's first sentence called it “pledge that was sworn to the islamic prophet muhammad by his sahaba”. Today it says “pledge that was sworn by companions to the islamic prophet muhammad prior to the treaty of al-hudaybiya”. Read the current article and compare.
| 2010 | 2015 | 2020 | Oct '23 | 2025 |
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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
pledge that was sworn to the islamic prophet muhammad by his sahaba
Now
pledge that was sworn by companions to the islamic prophet muhammad prior to the treaty of al-hudaybiya
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.