Case file
Yitzchok Friedman
Wikipedia's first sentence called it “founder and first rebbe of the boyan hasidic dynasty”. Today it says “grandson of rabbi yisrael of ruzhin”.
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.
1 tap a number or a side note to jump between them
The opening as it read in 2025
Ukrainian rabbi (1850–1917) This article is about the rebbe of Boyan. ( Learn how and when to remove this message ) Rabbi Yitzchok Friedman (1850 – 11 March 1917) was the founder and first Rebbe of the Boyan Hasidic dynasty . He was known as the Pachad Yitzchok ( Dread of Isaac ). He authored "Pachad Yitzchok," a collection of his teachings and sermons, which is studied within the Boyaner community.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1298316240.
Today
Wikipedia's first sentence called it “founder and first rebbe of the boyan hasidic dynasty”. Today it says “grandson of rabbi yisrael of ruzhin”. Read the current article and compare.
| 2015 | 2020 | Oct '23 | 2025 |
|---|
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2015, and today's defining sentence is their current revision.
Then
founder and first rebbe of the boyan hasidic dynasty
Now
grandson of rabbi yisrael of ruzhin
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.