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Case file

Ariel Toaff

Wikipedia's first sentence called it “professor of medieval and renaissance history at bar ilan university”. Today it says “italian historian of jewry”.
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 2025

Ariel Toaff ( Hebrew : אריאל טואף ; born 17 July 1942 in Ancona ) is an Italian historian of Jewry . He is a professor of Medieval and Renaissance History at Bar-Ilan University in Israel, whose work has focused on Jews and their history in Italy . He came to international prominence with the 2007 publication of the first edition of his controversial book Pasque Di Sangue ( Passovers of Blood ), in which he claimed historical basis for ritual use of human blood, obtained by murder. The claim was criticized as lending support to blood libel , an allegation that modern historians have described as unsupported by facts and which the Catholic Church has similarly repudiated since the 13th century. Toaff wrote that these critics had misunderstood his book, which argued that the ritual use of small quantities of dried blood in magical curses had been a real practice among medieval "Ashkenazi extremists", but that this was unrelated to the accusation of ritual murder which was the central claim of blood libel.

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Today
Wikipedia's first sentence called it “professor of medieval and renaissance history at bar ilan university”. Today it says “italian historian of jewry”. Read the current article and compare.
201020152020Oct '232025
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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

professor of medieval and renaissance history at bar ilan university

Now

italian historian of jewry

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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