Wikipedia's first sentence called it “canadian politician who is the 36th and current mayor of calgary”. Today it says “canadian politician who has served as the leader of the alberta new democratic party”. The one-line description Wikipedia serves to search engines and AI systems read “Mayor of Calgary from 2010 to 2021”. It now reads “Canadian politician (born 1972)”.
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 2025 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 2025
Naheed Kurban Nenshi (born February 2, 1972) is a Canadian politician who has served as the leader of the Alberta New Democratic Party (NDP) since 2024 and as Alberta 's leader of the Official Opposition since 2025. He previously served as the 36th mayor of Calgary for three terms from 2010 to 2021. Nenshi attended the University of Calgary and earned degrees in commerce as well a Master of Public Policy from the John F. Kennedy School of Government at Harvard University . Prior to entering politics, he worked as a management consultant as well as an instructor in non-profit management in the Bissett School of Business at Mount Royal University and wrote a regular municipal affairs column for the Calgary Herald . Nenshi won the 2010 mayoral election with 39% of the vote. Being a Shia Ismaili , he became the first Muslim to become mayor of a major Canadian city. He was re-elected in 2013 with 74% of the vote and again re-elected in 2017 to a third term with 51% of the vote. After serving three terms as mayor, he did not seek re-election in the 2021 Calgary municipal election and was succeeded by Jyoti Gondek . He had been regarded as one of the most popular mayors in Canada during his term. He re-entered politics in March 2024, when he announced he would run for leader of the Alberta NDP. He won on the first ballot with 86% support and 62,746 votes, replacing former Premier Rachel Notley as leader. In January 2025, Nenshi announced that he was running in the Edmonton-Strathcona by-election. Following his election, Nenshi became leader of the Opposition . The Globe and Mail .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1298198953.
The opening as it stood in 2015
Naheed Kurban Nenshi (born February 2, 1972) is a Canadian politician who is the 36th and current mayor of Calgary , Alberta . He was elected in the 2010 municipal election , becoming the first visible minority mayor of 100.000+ Canadian municipality and first Muslim mayor of a large North American city. He was re-elected in 2013 with 74% of the votes .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 668487179.
The opening as it stood in 2020
Naheed Kurban Nenshi ( ; born February 2, 1972) is a Canadian politician who is the 36th mayor of Calgary , Alberta . He was elected in the 2010 municipal election with 39% of the vote, and is the first Muslim mayor of a large North American city. He was re-elected in 2013 with 74% of the vote. He was again re-elected in 2017 to a third term with 51% of the vote.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 965245114.
The opening as it stood on October 6, 2023
Mayor of Calgary from 2010 to 2021 Naheed Kurban Nenshi (born February 2, 1972) is a Canadian politician who was the 36th mayor of Calgary , Alberta . He was elected in the 2010 municipal election with 39% of the vote, and is the first Muslim mayor of a large North American city. He was re-elected in 2013 with 74% of the vote and again re-elected in 2017 to a third term with 51% of the vote. After serving three terms as mayor, he did not seek re-election in the 2021 Calgary municipal election , and was succeeded by Jyoti Gondek .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1175762879.
Today
Wikipedia's first sentence called it “canadian politician who is the 36th and current mayor of calgary”. Today it says “canadian politician who has served as the leader of the alberta new democratic party”. The one-line description Wikipedia serves to search engines and AI systems read “Mayor of Calgary from 2010 to 2021”. It now reads “Canadian politician (born 1972)”. 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
canadian politician who is the 36th and current mayor of calgary
Now
canadian politician who has served as the leader of the alberta new democratic party
Sections that no longer exist
Present on October 6, 2023, absent today, with no near-matching heading in the current article and the article shorter overall, so this is not a renamed heading or a topic absorbed into a fuller treatment. 27 sections of 400 characters or more gone since October 6 2023, with the article 19,548 characters shorter.
2013 mayoral campaign
Abolition of developer subsidy
International Avenue business redevelopment zone
Positions
Calgary-Tsuu T'ina Nation relationships
Public works and infrastructure projects
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.