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Case file

Congregation Rodeph Shalom (Philadelphia)

Wikipedia's first sentence called it “oldest ashkenazic synagogue in the western hemisphere”. Today it says “historic reform jewish congregation and synagogue located at 615 north broad street”. The one-line description Wikipedia serves to search engines and AI systems read “Rodeph Shalom Synagogue's sanctuary ceiling”. It now reads “Historic Reform synagogue in Philadelphia, Pennsylvania, US”.
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

Historic Reform synagogue in Philadelphia, Pennsylvania, US For similarly named synagogues, see Rodeph Shalom . Congregation Rodeph Shalom ( Hebrew : רודף שלום , lit. ' Pursuer of Peace ' ), is an historic Reform Jewish congregation and synagogue located at 615 North Broad Street , Philadelphia , Pennsylvania , in the United States. Established in 1795, it is the oldest Ashkenazic synagogue in the Western Hemisphere . It is noted historically for its leadership of the Reform movement among American Hebrew congregations, for its spiritual influence upon international Jewry, and for its unique 1927 Byzantine and Moorish Revival synagogue building, with Art Deco finishes, on North Broad Street, listed on the National Register of Historic Places since 2007. National Register of Historic Places . National Register of Historic Places .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1283851139.
Today
Wikipedia's first sentence called it “oldest ashkenazic synagogue in the western hemisphere”. Today it says “historic reform jewish congregation and synagogue located at 615 north broad street”. The one-line description Wikipedia serves to search engines and AI systems read “Rodeph Shalom Synagogue's sanctuary ceiling”. It now reads “Historic Reform synagogue in Philadelphia, Pennsylvania, US”. 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

oldest ashkenazic synagogue in the western hemisphere

Now

historic reform jewish congregation and synagogue located at 615 north broad street

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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