Case file
Al-Arba'een Mosque
Wikipedia's first sentence called it “historic mosque in the city of tikrit”. Today it says “former sunni mosque”.
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 2025 one. Red dashes: removed from Wikipedia since.
Pale dots: rewritten; the numbered note shows what it says now.
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The opening as it read in 2025
Al-Arba'een Mosque ( Arabic : جامع الأربعين شهيداً ) was a historic mosque in the city of Tikrit , Iraq . It contained a shrine for Amr ibn Jundab Al-Ghafari , and another shrine for Sitt Nafisa . الأحمدي, مصطفى.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1265422898.
Today
Wikipedia's first sentence called it “historic mosque in the city of tikrit”. Today it says “former sunni mosque”. Read the current article and compare.
| Oct '23 | 2025 |
|---|
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2023, and today's defining sentence is their current revision.
Then
historic mosque in the city of tikrit
Now
former sunni mosque
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.