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Case file

Mairead Maguire

Wikipedia's first sentence called it “cofounder”. Today it says “peace activist from northern ireland”.
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

Mairead Corrigan (born January 27 , 1944 ) was the cofounder, with Betty Williams of the Community of Peace People , an organization which attempts to encourage a peaceful resolution of The Troubles in Northern Ireland .1 She received the Nobel Peace Prize for this in 1976 . Before setting up the organization, she worked as a secretary. After winning the Peace Prize, she continued to work with the organization and travelled the world to promote peace. She married Jackie MacGuire in 1981, who was the widower of Corrigan's sister Anne who died in 1980. She is a step-parent to three of MacGuire's children, and she has two of her own - John and Luke. She was at the prison gates to welcome Mordechai Vanunu when he was released on April 21 , 2004 after serving an 18-year sentence for disclosing Israel 's nuclear secrets.2

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 16186341.
Today
Wikipedia's first sentence called it “cofounder”. Today it says “peace activist from northern ireland”. 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

cofounder

Now

peace activist from northern ireland

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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