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Case file

Park East Day School

Wikipedia's first sentence called it “traditional jewish day school”. Today it says “jewish day school located on the upper east side of the borough of manhattan in new york city”.
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

Park East Day School (officially called Rabbi Arthur Schneier Park East Day School ) is a Jewish day school located on the Upper East Side of the Borough of Manhattan in New York City . It includes an early childhood program, an elementary school, and a middle school that graduates students after eighth grade. In the 1950s Rabbi Zev Zahavy and his wife Edith, a noted educator, founded the school with funding from Henry H. In 1976 Rabbi Arthur Schneier started Park-East's early childhood facility (a nursery school). In 1981, the nursery school merged with the East Side Hebrew Institute ("ESHI"), once one of the major Jewish institutions of the Lower East Side , which had classes ranging from Nursery, Kindergarten and up to the 12th grade. The new merged school was named "Park East ESHI". Several years later, the new school board omitted the word "ESHI" and in 1990 they renamed the school after Rabbi Schneier. It offers a dual curricula of general studies and Jewish studies. The school is noted for the strength of its mathematics, science, STEM and technology programs. Rabbi Arthur Schneier, the school's founder, serves as Dean. From 2004 until her retirement in 2021 the school was led by Barbara Etra. Today, the Principal is Debbie Rochlin, who was previously the Director of Admissions and the Director of Early Childhood. The board of trustees chairman is Roman Pipko . “'The 70 good years' – Manhattan’s 'Zitomir Talmud Torah Darchei Noam' and 'East Side Hebrew Institute' (E.S.H.I.) – 1910–1981".

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1268266251.
Today
Wikipedia's first sentence called it “traditional jewish day school”. Today it says “jewish day school located on the upper east side of the borough of manhattan in new york city”. Read the current article and compare.
201020152020Oct '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 2010, and today's defining sentence is their current revision.

Then

traditional jewish day school

Now

jewish day school located on the upper east side of the borough of manhattan in new york city

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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