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Case file

Tza'ar ba'alei chayim

Wikipedia's first sentence called it “jewish commandment which bans causing animals unnecessary suffering”. Today it says “jewish commandment that bans causing unnecessary suffering to animals”. The one-line description Wikipedia serves to search engines and AI systems read “Jewish commandment which bans causing animals unnecessary suffering”. It now reads “Jewish animal welfare commandment”.
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

Jewish commandment that bans causing animals unnecessary suffering Tza'ar ba'alei chayim ( Hebrew : צער בעלי חיים ), literally "suffering of living creatures", is a Jewish commandment that bans causing animals unnecessary suffering. This concept is not clearly enunciated in the written Torah , but was accepted by Talmudic scholars as being a biblical mandate ( Genesis 9:4 ). It is linked in the Talmud from the biblical law requiring people to assist in unloading burdens from animals ( Exodus 23:5 ). Torah to Go . 1 (13). Rabbi Moses ben Israel Isserles (Rama), Even HaEzer 5:14: Anything that is for health purposes or other purposes, there is no concern for tza’ar ba’alei chayim...

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1295034415.
Today
Wikipedia's first sentence called it “jewish commandment which bans causing animals unnecessary suffering”. Today it says “jewish commandment that bans causing unnecessary suffering to animals”. The one-line description Wikipedia serves to search engines and AI systems read “Jewish commandment which bans causing animals unnecessary suffering”. It now reads “Jewish animal welfare commandment”. Read the current article and compare.
20152020Oct '232025
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 October 7, and today's defining sentence is their current revision.

Then

jewish commandment which bans causing animals unnecessary suffering

Now

jewish commandment that bans causing unnecessary suffering to animals

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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