Wikipedia's first sentence called it “most prominent religion on the island of zanzibar”. Today it says “most prominent religion on the semi-autonomous zanzibar archipelago and could be considered the islamic center”.
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.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 2020
Islam is the most prominent religion on the semi-autonomous Zanzibar archipelago and could be considered the Islamic center in the United Republic of Tanzania . Between 98 percent of the population in the islands are Muslim , with the vast majority being Sunni with a minority Ibadi , Ismaili and Twelver Shia .1 Islam has a long presence on the islands, with archeological findings dating back to the 10th century, and has been an intrinsic part in shaping mercantile and maritime Swahili culture in Zanzibar as well as along the East African coast. Religious demographics always state an overwhelming Muslim majority in Zanzibar even though no official census of religious belonging has been made in Zanzibar since the early 1960s.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 961732805.
The opening as it stood in 2010
Islam is the most prominent religion on the island of Zanzibar . According to the CIA Factbook, Zanzibar is more than 99% Muslim . Islam came to Zanzibar in the 10th century.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 350795995.
The opening as it stood in 2015 1 passage from the previous snapshot no longer appear
A mosque in Stone Town Kizimkazi Mosque Islam is the most prominent religion on the island of Zanzibar .According to the CIA Factbook, more than 99% in the island are Muslim .The vast majority of Muslims in Zanzibar belong to Sunni denomination of Shafi madhhab .Islam came to Zanzibar in the 8th century.There is also a presence of Ahmadi Muslims in Zanzibar.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 659924508.
The opening as it stood on October 6, 2023
Malindi Mosque in Stone Town Kizimkazi Mosque Islam is the most prominent religion on the semi-autonomous Zanzibar archipelago and could be considered the Islamic center in the United Republic of Tanzania . Around 99% of the population in the islands are Muslim , with two-thirds being Sunni Muslim and a minority Ibadi , Ismaili and Twelver Shia . Islam has a long presence on the islands, with archeological findings dating back to the 10th century, and has been an intrinsic part in shaping mercantile and maritime Swahili culture in Zanzibar as well as along the East African coast. Religious demographics always state an overwhelming Muslim majority in Zanzibar even though no official census of religious belonging has been made in Zanzibar since the early 1960s. United States Department of State .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1155185549.
The opening as it stood in 2025
Malindi Mosque in Stone Town Kizimkazi Mosque Islam is the most prominent religion on the semi-autonomous Zanzibar archipelago and could be considered the Islamic center in the United Republic of Tanzania . Around 99% of the population in the islands are Muslim , with two-thirds being Sunni Muslim and a minority, Isma'ili and Twelver Shia . Islam has a long presence on the islands, with archeological findings dating back to the 10th century, and has been an intrinsic part in shaping mercantile and maritime Swahili culture in Zanzibar as well as along the East African coast. Interdiciplinary Journal of Research on Religion . 8 (1): 1–34 [7]. Religious demographics always state an overwhelming Muslim majority in Zanzibar even though no official census of religious belonging has been made in Zanzibar since the early 1960s. United States Department of State .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1283408954. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “most prominent religion on the island of zanzibar”. Today it says “most prominent religion on the semi-autonomous zanzibar archipelago and could be considered the islamic center”. Read the current article and compare.
2010
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 2010, and today's defining sentence is their current revision.
Then
most prominent religion on the island of zanzibar
Now
most prominent religion on the semi-autonomous zanzibar archipelago and could be considered the islamic center
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.