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11 Nisan

Wikipedia's first sentence called it “birthday of rabbi menachem mendel schneerson”. Today it says “holiday on the chabad-lubavitch calendar that marks the birthday of the lubavitcher rebbe”.
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 2020 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 2020

11th day of Nisan in the Hebrew calendar ( ) is the birthday of Rabbi Menachem Mendel Schneerson (1902–1994), the leader of the Chabad dynasty of Hasidism , and is celebrated by his followers as a festival. The day has been marked by public parades and sharing with fellows since 1992, when the Rebbe, Rabbi Schneerson, was in 770 Eastern Parkway recovering from a stroke. The first public recognition of Rabbi Schneerson's birthday was by his personal envoy to Washington DC , Abraham Shemtov , who urged friendly congressmen to persuade Jimmy Carter to declare the day to be Education and Sharing Day in his honor, in 1978. The day has been declared Education and Sharing Day by all succeeding U.S. presidents. The day is marked with many Mitzvah Tank parades around the world and with an annual official Tzivos Hashem rally, particularly in Crown Heights, Brooklyn . "The Rabbi on the hill", David O'Reilly, The Philadelphia Inquirer , April 28, 1984 Tzivos Hashem annual events page.1

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 892035288.
Today
Wikipedia's first sentence called it “birthday of rabbi menachem mendel schneerson”. Today it says “holiday on the chabad-lubavitch calendar that marks the birthday of the lubavitcher rebbe”. Read the current article and compare.
201020152020Oct '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 2010, and today's defining sentence is their current revision.

Then

birthday of rabbi menachem mendel schneerson

Now

holiday on the chabad-lubavitch calendar that marks the birthday of the lubavitcher rebbe

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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