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Siddur of Saadia Gaon

Wikipedia's first sentence called it “first known attempt to transcribe the weekly ritual of jewish prayers for week-days”. Today it says “earliest surviving attempt to transcribe the weekly ritual of jewish prayers for weekdays”.
Found by software in Wikipedia's own edit history. Not yet read by hand. The quoted words are Wikipedia's.
Compared with the live article on 2026-08-04.
We saved snapshots of this article over twenty years; you are reading the 2005 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 2005

Siddur (prayerbook) of Saadia Gaon is the first known attempt to transcribe the weekly ritual of Jewish prayers for week-days, Sabbaths, and festivals. The text also contains liturgical poetry by Saadia, as well as Arabic language commentary.1 There is no known extant manuscript of the entire text, though there is a near complete manuscript in Oxford . Fragments have also been found in the Cairo Genizah . The prayerbook apparently served as a basis for later efforts to codify the Jewish prayer ritual and set it down in writing and was imitated by later authors. v t e v t e

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 16111875.
Today
Wikipedia's first sentence called it “first known attempt to transcribe the weekly ritual of jewish prayers for week-days”. Today it says “earliest surviving attempt to transcribe the weekly ritual of jewish prayers for weekdays”. Read the current article and compare.
2005201020152020Oct '232025
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Then

first known attempt to transcribe the weekly ritual of jewish prayers for week-days

Now

earliest surviving attempt to transcribe the weekly ritual of jewish prayers for weekdays

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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