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Case file

Jemaah Islamiyah

Wikipedia's first sentence called it “militant islamic separatist movement”. Today it says “southeast asian islamist militant group based in indonesia”. The one-line description Wikipedia serves to search engines and AI systems read “Southeast Asian salafist organization founded in 1993”. It now reads “Southeast Asian salafist organization (1993–2024)”.
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

Jemaah Islamiyah , sometimes rendered Jemaah Islamiah , is a militant Islamic separatist movement, suspected of killing hundreds of civilians , dedicated to the establishment of a fundamentalist Islamic state in Southeast Asia , in particular Indonesia , Singapore , Brunei , Malaysia , and the south of Thailand and the Philippines . Financial links between Jemaah Islamiyah and other terrorist groups, such as Abu Sayyaf and al-Qaeda , have been found to exist. Jemaah Islamiyah means " Islamic Group " or " Islamic Community " and is often abbreviated JI . Jemaah Islamiyah are suspected of having executed the Bali car bombing on October 12 , 2002 .1 In this attack, Jemaah Islamiyah suicide bombers killed 202 people and wounded many in a nightclub . After this attack, The U.S.2 Jemaah Islamiyah is also suspected of carrying out the Zamboanga bombings , the Metro Manila bombings, and the 2004 Jakarta embassy bombing .3

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 17946693.
Today
Wikipedia's first sentence called it “militant islamic separatist movement”. Today it says “southeast asian islamist militant group based in indonesia”. The one-line description Wikipedia serves to search engines and AI systems read “Southeast Asian salafist organization founded in 1993”. It now reads “Southeast Asian salafist organization (1993–2024)”. Read the current article and compare.
2005201020152020Oct '232025
terror283222
militant121111
islamist001111
jihad010000
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

militant islamic separatist movement

Now

southeast asian islamist militant group based in indonesia

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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