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Case file

The Chora

Wikipedia's first sentence called it “medieval greek orthodox church building”. Today it says “byzantine church”. The one-line description Wikipedia serves to search engines and AI systems read “Medieval Greek Orthodox church/museum/mosque in Istanbul, Turkey Front view of Kariye Mosque”. It now reads “Medieval church and mosque in Istanbul Exterior rear Front”.
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 October 6, 2023 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 October 6, 2023

Medieval Greek Orthodox church/museum/mosque in Istanbul, Turkey Front view of Kariye Mosque The Chora Church or Kariye Mosque ( ) is a medieval Greek Orthodox church building , mostly used as a mosque since the 16th century, in the Edirnekapı neighborhood of Istanbul , Turkey .1 It is mainly famous for its outstanding Late Byzantine mosaics and frescos .2 The building is an example of Byzantine architecture .3 In the 16th century, during the Ottoman era, it was converted into a mosque; it became a museum in 1945, and was turned back into a mosque in 2020 by President Recep Tayyip Erdoğan . The interior of the building is covered with some of the finest surviving Byzantine Christian mosaics and frescoes , which were left in plain sight during Muslim worship throughout much of the Ottoman era. They were restored after the building was secularized and turned into a museum. The neighborhood is situated in the western part of the municipality of Fatih district.4 Hürriyet Daily News . 21 August 2020 . "Has Turkey halted plans to turn Chora museum into a mosque?" . 11 January 2021.

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1176580664.
Today
Wikipedia's first sentence called it “medieval greek orthodox church building”. Today it says “byzantine church”. The one-line description Wikipedia serves to search engines and AI systems read “Medieval Greek Orthodox church/museum/mosque in Istanbul, Turkey Front view of Kariye Mosque”. It now reads “Medieval church and mosque in Istanbul Exterior rear Front”. 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 October 7, and today's defining sentence is their current revision.

Then

medieval greek orthodox church building

Now

byzantine church

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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