Wikipedia's first sentence called it “major research institute based in tehran”. Today it says “iranian research institute with the task of researching and publishing general and topical encyclopedias about”.
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
Center for the Great Islamic Encyclopedia (Center for Iranian and Islamic Studies) (CGIE) is a major Iranian research institute with the task of researching and publishing general and topical encyclopedias about Iranian and Islamic culture. Within the Islamic and Iranian research landscape, it is one of the leading and most prestigious institutions in the country, attracting scholars from all over the region. The centre has one of the largest libraries on Iranian and Islamic culture.1 The building was nominated for the Aga Khan Award for Architecture in 2001. "About Center for the Great Islamic Encyclopedia on the website of the Hamshahri newspaper" . 17 April 2009. "About Center for the Great Islamic Encyclopedia on the website of the Mehrnews agency" . 26 January 2017.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1171534481.
The opening as it stood in 2015
The Center for the Great Islamic Encyclopedia (CGIE) is a major research institute based in Tehran , Iran . Established in 1983, it is charged with the task of researching and publishing general and topical encyclopedias about Iranian and Islamic culture. The Center's website is located at (Persian only) and there is a general introduction in English at (English).
Red text was written in or rewritten since the previous snapshot. Their copy is revision 546187660.
The opening as it stood in 2020
The Center for the Great Islamic Encyclopedia (CGIE) is a major research institute based in Tehran , Iran . Established in 1983, it is charged with the task of researching and publishing general and topical encyclopedias about Iranian and Islamic culture. The Center's website is located at (Persian only) and there is a general introduction in English at (English). About Center for the Great Islamic Encyclopedia on the website of Farsnews About Center for the Great Islamic Encyclopedia on the website of the Hamshahri newspaper About Center for the Great Islamic Encyclopedia on the website of the Mehrnews agency About Center for the Great Islamic Encyclopedia on the Tasnim news agency "مرکز دائره المعارف بزرگ اسلامی - مرکز پژوهشهای ایرانی و اسلامی" .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 954272082.
The opening as it stood in 2025 2 passages from the previous snapshot no longer appear
Iranian research institute The Center for the Great Islamic Encyclopedia (Center for Iranian and Islamic Studies) (CGIE) is an Iranian research institute with the task of researching and publishing general and topical encyclopedias about Iranian and Islamic culture. The building was nominated for the Aga Khan Award for Architecture in 2001. "About Center for the Great Islamic Encyclopedia on the website of the Hamshahri newspaper" . 17 April 2009. "About Center for the Great Islamic Encyclopedia on the website of the Mehrnews agency" . 26 January 2017.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1254051108. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “major research institute based in tehran”. Today it says “iranian research institute with the task of researching and publishing general and topical encyclopedias about”. Read the current article and compare.
2015
2020
Oct '23
2025
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 2015, and today's defining sentence is their current revision.
Then
major research institute based in tehran
Now
iranian research institute with the task of researching and publishing general and topical encyclopedias about
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.