Case file
Duisburg Cathedral Mosque
Wikipedia's first sentence called it “largest mosque in germany”. Today it says “mosque”.
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.
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The opening as it read in 2025
Duisburg-Marxloh, Germany The Duisburg Cathedral Mosque is the largest mosque in Germany . Located in the city of Duisburg in the west of Germany, a building with a silver dome 23 metres (75 ft) high and a minaret 34 metres (112 ft) high. The mosque has a community center and a religious school. The initiator of the mosque in Duisburg was the local Muslim community.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1286978100.
Today
Wikipedia's first sentence called it “largest mosque in germany”. Today it says “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
largest mosque in germany
Now
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.