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Case file

Cologne Central Mosque

Wikipedia's first sentence called it “project by german muslims of the organization ditib to build a large”. Today it says “mosque located in the ehrenfeld neighbourhood of the city of cologne”. Sections present on October 6, 2023 no longer exist: “Design; Controversy”.
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

Cologne, Germany The Cologne Central Mosque ( German : DITIB-Zentralmoschee Köln , Turkish : Köln Merkez-Camii ) is a building commissioned by German Muslims of the Organization DİTİB for a large, representative Zentralmoschee (central mosque) in Cologne, Germany. This mosque was inaugurated by Turkish President Erdogan . After controversy, the project won the approval of Cologne's city council. The mosque is designed in neo-Ottoman architectural style, with glass walls, two minarets and a dome. The mosque has a bazaar as well as other secular areas intended for interfaith interactions. As the mosque is one of Europe's biggest mosques , and the largest mosque in Germany, it has been criticized by some, particularly for the height of the minarets. " Go-Ahead for Germany's Biggest Mosque ," Spiegel Online .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1280835194.
Today
Wikipedia's first sentence called it “project by german muslims of the organization ditib to build a large”. Today it says “mosque located in the ehrenfeld neighbourhood of the city of cologne”. Sections present on October 6, 2023 no longer exist: “Design; Controversy”. 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

project by german muslims of the organization ditib to build a large

Now

mosque located in the ehrenfeld neighbourhood of the city of cologne

Sections that no longer exist

Present on October 6, 2023, absent today, with no near-matching heading in the current article and the article shorter overall, so this is not a renamed heading or a topic absorbed into a fuller treatment. 2 sections of 400 characters or more gone since October 6 2023, with the article 202 characters shorter.

  • Design
  • Controversy
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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