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Quba Mosque

Wikipedia's first sentence called it “first islamic mosque that was ever built”. Today it says “mosque located in medina in the hejaz region of saudi arabia”.
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 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

Quba Mosque ( Quba' Masjid or Masjid al-Quba ) just outside Medina , Saudi Arabia, is the first Islamic mosque that was ever built.1 Its first stones were positioned by the prophet Muhammad on hijrah (journey) from the city of Mecca (" Makkah" ) to Medina and the masjid was completed by his companions. The Prophet spent more than 20 nights in this mosque (after migrating) praying qasr (short prayer) while waiting for Imam Ali whose house was behind this mosque.2 It is mentioned in the Qur'an as the mosque founded on piety and devoutness ( Masjid al-Taqwa ): "Never stand in it; certainly a masjid founded on piety from the very first day is more deserving that you should stand in it; in it are men who love that they should be purified; and Allah loves those who purify themselves." (At-Tawbah Sura 9 :108).3

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 16396858.
Today
Wikipedia's first sentence called it “first islamic mosque that was ever built”. Today it says “mosque located in medina in the hejaz region of saudi arabia”. Read the current article and compare.
2005201020152020Oct '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 2005, and today's defining sentence is their current revision.

Then

first islamic mosque that was ever built

Now

mosque located in medina in the hejaz region of saudi arabia

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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