Wikipedia's first sentence called it “research library owned by agudas chasidei chabad”. Today it says “housed next to the lubavitch world headquarters at 770 eastern parkway in brooklyn”.
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 October 6, 2023 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in October 6, 2023
Research library at the headquarters of the Chabad movement of Hasidic Judaism The Library Of Agudas Chassidei Chabad (also Chabad Library or Lubavitch library ) is a research library owned by Agudas Chasidei Chabad . Its content had been collected by the Chabad-Lubavitch Rebbes .1 The library is housed next to the Lubavitch world headquarters at 770 Eastern Parkway in Brooklyn , New York, and is utilized by Chabad and general Judaic scholars. It is viewed by thousands of visitors each year. The library is home to 250,000 books, mostly in Hebrew and Yiddish . Many are rare and unique to the library. In addition, the library contains: Several thousand manuscripts , mostly on Chabad Chasidic philosophy, either actual manuscripts of the Chabad Rebbe's, or copied by Chasidim for their own study and inspiration. A large archive of correspondence and writings relating to the Chabad philosophy and movement, including the vast collection of letters written by Rabbi Yosef Yitzchak Schneersohn , the sixth Lubavitcher Rebbe. A collection of sacred objects bequeathed by the Chabad Rebbes, as well as various items presented, as gifts, to the Lubavitcher Rebbe , Rabbi Menachem M. Schneerson, during his years of leadership. A collection of photographs of Chasidim and Chabad activities sent to Rabbi Yosef Yitzchak and Rabbi Menachem Mendel , during their years of leadership. A large collection of news clippings relating to the Chabad movement and Jewry in general.2 The library also contains more than 100,000 letters, artifacts, and pictures belonging to, written by and for the rebbes of Chabad and their Hasidim complete the collection. Notable among the collection is the siddur of the Baal Shem Tov , which is kept in a locked safe and is only handled by the head librarian.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1170177445.
The opening as it stood in 2010
The Library Of Agudas Chassidei Chabad (also Chabad Library or Lubavitch library ) is a research library owned by Agudas Chasidei Chabad . It opened its reading room in 1992 and exhibition hall in 1994. The library is housed in the Lubavitch world headquarters at 770 Eastern Parkway in Brooklyn , NY, and is utilized by Chabad and general Judaic scholars and viewed by thousands of visitors each year.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 361811246.
The opening as it stood in 2015 1 passage from the previous snapshot no longer appear
The Library Of Agudas Chassidei Chabad (also Chabad Library or Lubavitch library ) is a research library owned by Agudas Chasidei Chabad . Its content had been collected by the Chabad-Lubavitch Rebbes. The library is housed next to the Lubavitch world headquarters at 770 Eastern Parkway in Brooklyn , NY, and is utilized by Chabad and general Judaic scholars. It is viewed by thousands of visitors each year.The library is home to 250,000 books, mostly in Hebrew and Yiddish .Many are rare and unique to the library.In addition, the Library contains: Several thousand manuscripts, mostly on Chabad Chasidic philosophy, either actual manuscripts of the Chabad Rebbe’s, or copied by Chasidim for their own study and inspiration.A large archive of correspondence and writings relating to the Chabad philosophy and movement, including the vast collection of letters written by Rabbi Yosef Yitzchak Schneersohn , the sixth Lubavitcher Rebbe.A collection of sacred objects bequeathed by the Chabad Rebbe’s, as well as various items presented, as gifts, to Lubavitcher Rebbe, Rabbi Menachem M Schneerson, during his years of leadership.A collection of photographs of Chasidim and Chabad activities sent to Rabbi Yosef Yitzchak and Rabbi Menachem Mendel , during their years of leadership.A large collection of news clippings relating to the Chabad movement and Jewry in general.The library also contains more than 100,000 letters, artifacts and pictures belonging to, written by and for the rebbes of Chabad and their Hasidim complete the collection.Notable among the collection is the siddur of the Baal Shem Tov , which is kept in a locked safe and is only handled by the head librarian.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 632677716.
The opening as it stood in 2020
Research library at the headquarters of the Chabad movement of Hasidic Judaism The Library Of Agudas Chassidei Chabad (also Chabad Library or Lubavitch library ) is a research library owned by Agudas Chasidei Chabad . Its content had been collected by the Chabad-Lubavitch Rebbes. The library is housed next to the Lubavitch world headquarters at 770 Eastern Parkway in Brooklyn , NY, and is utilized by Chabad and general Judaic scholars. It is viewed by thousands of visitors each year. The library is home to 250,000 books, mostly in Hebrew and Yiddish . Many are rare and unique to the library. In addition, the library contains: Several thousand manuscripts, mostly on Chabad Chasidic philosophy, either actual manuscripts of the Chabad Rebbe’s, or copied by Chasidim for their own study and inspiration. A large archive of correspondence and writings relating to the Chabad philosophy and movement, including the vast collection of letters written by Rabbi Yosef Yitzchak Schneersohn , the sixth Lubavitcher Rebbe. A collection of sacred objects bequeathed by the Chabad Rebbe’s, as well as various items presented, as gifts, to Lubavitcher Rebbe, Rabbi Menachem M Schneerson, during his years of leadership. A collection of photographs of Chasidim and Chabad activities sent to Rabbi Yosef Yitzchak and Rabbi Menachem Mendel , during their years of leadership. A large collection of news clippings relating to the Chabad movement and Jewry in general. The library also contains more than 100,000 letters, artifacts, and pictures belonging to, written by and for the rebbes of Chabad and their Hasidim complete the collection. Notable among the collection is the siddur of the Baal Shem Tov , which is kept in a locked safe and is only handled by the head librarian.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 963590753.
The opening as it stood in 2025 9 passages from the previous snapshot no longer appear
Research library at the headquarters of the Chabad movement of Hasidic Judaism The Library Of Agudas Chassidei Chabad (also Chabad Library or Lubavitch library ) is a research library owned by Agudas Chasidei Chabad whose content was collected by the rebbes (hereditary rabbinical dynastic leaders) of Chabad-Lubavitch . The library is housed next to the Lubavitch world headquarters at 770 Eastern Parkway in Brooklyn , New York, and is utilized by Chabad and general Judaic scholars. It is viewed by thousands of visitors each year. The library contains more than 100,000 letters, artifacts, and pictures belonging to, written by and for the rebbes of Chabad and their Hasidim complete the collection. Notable among the collection is the siddur of the Baal Shem Tov , which is kept in a locked safe and is only handled by the head librarian.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1246058843. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “research library owned by agudas chasidei chabad”. Today it says “housed next to the lubavitch world headquarters at 770 eastern parkway in brooklyn”. Read the current article and compare.
2010
2015
2020
Oct '23
2025
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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
research library owned by agudas chasidei chabad
Now
housed next to the lubavitch world headquarters at 770 eastern parkway in brooklyn
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.
