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Case file

Maitatsine

Wikipedia's first sentence called it “islamic scholar in nigeria”. Today it says “controversial muslim preacher in nigeria who founded the yan tatsine”. He was killed by Nigerian security forces in 1980 during the Kano insurrection.. Today: the act is described with no actor named.
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

Controversial Islamic preacher in Nigeria This article is about the preacher. Muhammad Marwa (died 1980), best known by his nickname Maitatsine , was a controversial Muslim preacher in Nigeria who founded the Yan Tatsine , a militant Quranist movement that first appeared around the early 1970s. Maitatsine is a Hausa word meaning "the one who damns" and refers to his curse-laden public speeches against the Nigerian state. He was responsible for the 1980 Kano riot , in which over 4,177 civilians, 100 policemen and about 35 military personnel were killed, including Maitatsine himself.

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1281653594.
Today
Wikipedia's first sentence called it “islamic scholar in nigeria”. Today it says “controversial muslim preacher in nigeria who founded the yan tatsine”. He was killed by Nigerian security forces in 1980 during the Kano insurrection.. Today: the act is described with no actor named. Read the current article and compare.
201020152020Oct '232025
militant00111
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

islamic scholar in nigeria

Now

controversial muslim preacher in nigeria who founded the yan tatsine

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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