Case file
Yarrow Mamout
Wikipedia's first sentence called it “formerly enslaved african entrepreneur”. Today it says “guinean freedman”. The one-line description Wikipedia serves to search engines and AI systems read “American entrepreneur and property owner”. It now reads “Guinean-American entrepreneur and property owner”.
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
Yarrow Mamout (c. 1736 – January 19, 1823) was a Guinean freedman , entrepreneur, and property owner in Georgetown , Washington, D.C. An educated Fulani Muslim, he gained his freedom in 1796 after 44 years held in bondage. James Alexander Simpson and Charles Willson Peale painted his portrait, Peale's being held in the Philadelphia Museum of Art . Philadelphia Museum of Art .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1292157323.
Today
Wikipedia's first sentence called it “formerly enslaved african entrepreneur”. Today it says “guinean freedman”. The one-line description Wikipedia serves to search engines and AI systems read “American entrepreneur and property owner”. It now reads “Guinean-American entrepreneur and property owner”. Read the current article and compare.
| 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 2020, and today's defining sentence is their current revision.
Then
formerly enslaved african entrepreneur
Now
guinean freedman
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.