Case file
Antonio Arnaiz-Villena
Wikipedia's first sentence called it “spanish immunologist noted for his research into the genetic history of ethnic groups and fringe linguistic hyp”. Today it says “spanish immunologist noted for his controversial research into the genetic history of ethnic groups and fringe”.
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.
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The opening as it read in 2010
Antonio Arnaiz-Villena is a Spanish immunologist noted for his research into the genetic history of ethnic groups and fringe linguistic hypotheses. Arnaiz-Villena is head of immunology at the Hospital Doce de Octubre in Madrid and was president of Spain's National Society of Immunology from 1991 to 1995.1
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 369524926.
Today
Wikipedia's first sentence called it “spanish immunologist noted for his research into the genetic history of ethnic groups and fringe linguistic hyp”. Today it says “spanish immunologist noted for his controversial research into the genetic history of ethnic groups and fringe”. 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
spanish immunologist noted for his research into the genetic history of ethnic groups and fringe linguistic hyp
Now
spanish immunologist noted for his controversial research into the genetic history of ethnic groups and fringe
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.