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Case file

Islam in Nigeria

The word “colonial” appeared 2 times in this article's opening at its peak in 2010. Today the opening carries none. 1 remains further down the article, where a reader arriving from a search result does not go.
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 2026-08-02. “colonial” appeared 2 times in this article's opening at its peak. Today the opening has none; the body has 1.
We saved snapshots of this article over twenty years; you are reading the 2010 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 2010

Abuja National Mosque , located in Abuja Over fifty percent of the population of Nigeria adheres to Islam .1 Islam came to Northern Nigeria as early as the 9th century CE , and was well established in the Kanem-Bornu Empire during the reign of Humme Jilmi . It had spread to the major cities of the northern part of the country by the sixteenth century, later moving into the countryside and towards the Middle Belt uplands.2 The precise time Islam entered the Africa's most populous country is debatable.3 Islam also came to the southwestern Yoruba -speaking areas during the time of Mansa Musa 's Mali Empire .4 The Yorubas colloquially referred to Islam as "Esin-Mali", which means religion from Mali.5 The Muslims in Nigerian are predominantly Sunni in the Maliki school, which is also the governing Sharia law. However, there is an significant Shia minority, primarily in Sokoto State (see Shia in Nigeria ).6

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 368847197.
Today
“colonial” appeared 2 times in this article's opening at its peak. Today the opening has none; the body has 1. Read the current article and compare.
2005201020152020Oct '232025
jihad000011
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 between 2005 and 2025.

Then

traditional religion in west africa

Now

one of the major religions in nigeria

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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