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Case file

Black Hand (Mandatory Palestine)

Izz ad-Din al-Qassam's organization, whose name is on Hamas's rockets. The 2015 opening described its founding split, one faction arguing “for immediate terror attacks”. Today: 0 in the opening, 3 in the body.
Read line by line and written up by hand.
Machine-checked against the full current article on 2026-08-01. “terror” appeared 4 times in this article's opening at its peak. Today the opening has none; the body has 3.
We saved snapshots of this article over twenty years; you are reading the 2015 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 2015

Black Hand ( ) was an anti-Zionist and anti-British militant organization in the British Mandate of Palestine .1 It was founded in 1930 and led until his death in 1935 by Syrian -born Sheikh Izz ad-Din al-Qassam , whose preaching was instrumental in laying the foundations for the formation of the Black Hand, which he used to proclaim jihad and attack Jewish settlers. The idea for such a group appeared to crystallize after the 1929 riots , though one source says a decision was taken after the Day of Atonement incitement at the Wailing Wall in September 1928. From the outset a split occurred in the organization, with one militant group led by Abu Ibrahim arguing for immediate terror attacks, while the other headed by al-Qassam thought an armed revolt premature, and risked exposing the group's preparations. According to Subhi Yasin, the terror attacks in the north were executed by the dissident group in defiance of Qassam, though in 1969 Abu Ibrahim denied these allegations. The ensuing terror campaign began with the ambush and murder of three members of Kibbutz Yagur , 11 April 1931, a failed bombing attack on outlying Jewish homes in Haifa, in early 1932, and several operations that killed or wounded some four members of northern Jewish settlements. It climaxed with the deaths of a Jewish father and son in Nahalal , from a bomb thrown into their home, on 22 December 1932. After the failure of the 1921 Syrian revolt that he led, al-Qassam escaped to Haifa . According to Shai Lachman, between 1921 and 1935 al-Qassam often cooperated with Mufti of Jerusalem Mohammad Amin al-Husayni . They were on good terms, and al-Qassam's various official appointments required the mufti's prior consent. He suggests their cooperation increased after the 1929 riots , in which one source claims al-Qassam's men were active. The two fell out in the mid-thirties, perhaps due to al-Qassam's independent line of activism. When the Mufti rejected his plans to divert funding marked for mosque repairs for the purchase of weaponry, Qassam found support in the Arab Nationalist Istiqlal Party . Qassam continued his attempts to forge an alliance with the Mufti in order to attack the British. He was not successful for the Mufti, who headed the Supreme Muslim Council , was still committed to a diplomatic approach at the time. Qassam went ahead with his plans to attack the British on his own. The Black Hand was preceded by a group calling itself Green Hand that existed briefly in Safad and Acre districts and which was active for a few months during the winter of 1929/1930. Al-Qassam justified violence on religious grounds . After the 1929 Hebron massacre , he intensified his anti-Zionist and anti-British agitation and obtained a fatwa from Sheikh Badr al-Din al-Taji al-Hasani , the Mufti of Damascus , authorizing the armed resistance against the British and the Jews.2

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 656016365.
Today
“terror” appeared 4 times in this article's opening at its peak. Today the opening has none; the body has 3. Read the current article and compare.
201020152020Oct '2320252026
terror141100
militant025622
jihad012211
massacre111100
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 2010 and 2025.

Then

armed organization in the british mandate of palestine

Now

anti-zionist and anti-british jihadist militant organization in mandatory palestine

Where the word went

It left the opening. It did not leave the article. Wikipedia moved it down the page, where a reader arriving from a search result will not reach it.

  • “massacre” now appears 1× under History, 14% of the way down the article
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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