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Case file

Gideon Greif

Wikipedia's first sentence called it “israeli historian”. Today it says “israeli historian who specializes in the history of the holocaust”. This article was not filed under it. Today it is filed under Deniers of the Bosnian genocide.
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Machine-checked against the full current article on 2026-08-03.
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The opening as it read in 2025

Gideon Greif ( Hebrew : גדעון גרייף ; born 16 March 1951) is an Israeli historian who specializes in the history of the Holocaust , especially the history of the Auschwitz concentration camp and particularly the Sonderkommando in Auschwitz. He served as a visiting lecturer for Jewish and Israeli History at the Schusterman Center for Jewish Studies at the University of Texas at Austin during the academic year 2011–2012. He headed a commission that issued a report in July 2021 that denied that the killing of Bosnian Muslims at and around Srebrenica in July 1995 constituted genocide. "They helped the Nazis murder their fellow Jews now these Holocaust victims' grim secret has been unveiled on film" . The Schusterman Center for Jewish Studies . University of Texas at Austin .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1295803238.
Today
Wikipedia's first sentence called it “israeli historian”. Today it says “israeli historian who specializes in the history of the holocaust”. This article was not filed under it. Today it is filed under Deniers of the Bosnian genocide. Read the current article and compare.
201020152020Oct '232025
genocide00011
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

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

israeli historian

Now

israeli historian who specializes in the history of the holocaust

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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