Case file
Fort Mont-Valérien
Wikipedia's first sentence called it “fortress in suresnes a western paris suburb”. Today it says “fortress in suresnes”.
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 October 6, 2023 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 October 6, 2023
Fortress in Suresnes, Hauts-de-Seine, France Fort Mont-Valérien entrance Fort Mont-Valérien ( French : Forteresse du Mont-Valérien ) is a fortress in Suresnes , a western Paris suburb, built in 1841 as part of the city's ring of modern fortifications. It overlooks the Bois de Boulogne .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1166178873.
Today
Wikipedia's first sentence called it “fortress in suresnes a western paris suburb”. Today it says “fortress in suresnes”. 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
fortress in suresnes a western paris suburb
Now
fortress in suresnes
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.