Case file
Johannes Pfefferkorn
Wikipedia's first sentence called it “jewish -born”. Today it says “german catholic theologian and writer who converted from judaism”.
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 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
Engraving by Hieronymus Hopfer Illustration showing the humanist Johannes Reuchlin (kneeling) and wringing his hands while Johannes Pfefferkorn stands by him in a master's robes. Pfefferkorn actively preached against the Jews and attempted to destroy copies of the Talmud , and engaged in a long running pamphleteering battle with humanist Johann Reuchlin .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1174005777.
Today
Wikipedia's first sentence called it “jewish -born”. Today it says “german catholic theologian and writer who converted from judaism”. 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
jewish -born
Now
german catholic theologian and writer who converted from judaism
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.