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Al-Manar Centre

Wikipedia's first sentence called it “accepted as the first mosque in the united kingdom”. Today it says “sunni mosque in the cathays district of cardiff”.
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 October 6, 2023 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 October 6, 2023

Mosque in Cardiff, Wales The al-Manar Centre (sometimes referred to as 2 Glynrhondda Street ) is a Salafi mosque in the Cathays district of Cardiff , Wales . Founded in 1992, it describes itself as being "one of [the] Ahlus-Sunnah organisations". A widely circulated claim holds that a mosque was registered at this address in 1860, which would make the Al-Manar Centre the oldest mosque in the United Kingdom . This has, however, been shown to result from a transcription error in the Register of Religious Sites, making the Liverpool Muslim Institute , established in 1891, the first. In 2014, the mosque became the subject of media attention after it emerged that Nasser Muthana and Reyaad Khan, two young men who appeared in a propaganda video for the Islamic State of Iraq and the Levant , and Muthana's brother Aseel, also believed to be fighting in Syria for the same organisation, had worshipped at the mosque. The centre denied that it had played any part in their radicalisation.1

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1136540979.
Today
Wikipedia's first sentence called it “accepted as the first mosque in the united kingdom”. Today it says “sunni mosque in the cathays district of cardiff”. 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

accepted as the first mosque in the united kingdom

Now

sunni mosque in the cathays district of cardiff

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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