Case file
Grand Mosque of Tangier
Wikipedia's first sentence called it “grand mosque in the grand socco area of central tangier”. Today it says “historic main 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 2015 one. Red dashes: removed from Wikipedia since.
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The opening as it read in 2015
Grand Mosque is a large mosque in the Grand Socco area of central Tangier , Morocco . It was built on the site of a former Portuguese cathedral which in turn stood on a Roman temple dedicated to Hercules . The mosque dates back to the Moulay Ismail period and was expanded in 1815 by Moulay Sliman . Mohammed V visited the mosque on April 11, 1947, going on to make a historic speech at Mendoubia Gardens . Opposite the mosque is a primary school, established by nationalists during the French protectorate.1
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 654463639.
Today
Wikipedia's first sentence called it “grand mosque in the grand socco area of central tangier”. Today it says “historic main mosque”. 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
grand mosque in the grand socco area of central tangier
Now
historic main 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.