Wikipedia's first sentence called it “completed as part of millennium park in downtown chicago”. Today it says “american businessman and member of the pritzker family”.
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 2010 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 2010
Jay Arthur Pritzker (26 August 1922 - 23 January 1999) was an American entrepreneur and conglomerate organizer. Pritzker was born in Chicago, Illinois , the son of Fanny Doppelt and A. His brother was Robert Pritzker . He was the father of Dan Pritzker . Trained as a lawyer, he early diversified the Chicago-based family business, the Marmon Group , into lumber . With his brother Robert Pritzker , he built a portfolio of 60 diversified industrial corporations. He created the Hyatt Hotel chain in 1957 with his brother Donald Pritzker and owned Braniff Airlines from 1983–1988. In 1979 he established the Pritzker Architecture Prize . In 2004, the Jay Pritzker Pavilion , designed by architect Frank Gehry , was completed as part of Millennium Park in downtown Chicago .1
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 366366966.
The opening as it stood in 2015 9 passages from the previous snapshot no longer appear
Jay Arthur Pritzker (August 26, 1922 – January 23, 1999) was an American entrepreneur , conglomerate organizer, and member of the Pritzker family .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 660137234.
The opening as it stood in 2020
Jay Pritzker Pavilion, Chicago, Illinois, USA Jay Arthur Pritzker (August 26, 1922 – January 23, 1999) was an American entrepreneur , conglomerate organizer, and member of the Pritzker family .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 964590884.
The opening as it stood on October 6, 2023
Cofounder of Hyatt Hotels Corp This article is about the co-founder of Hyatt. Jay Pritzker Pavilion, Chicago, Illinois, USA Jay Arthur Pritzker (August 26, 1922 – January 23, 1999) was an American entrepreneur, conglomerate organizer, and member of the Pritzker family .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1157424502.
The opening as it stood in 2025
Cofounder of Hyatt Hotels Corp This article is about the co-founder of Hyatt. Jay Pritzker Pavilion, Chicago, Illinois, USA Jay Arthur Pritzker (August 26, 1922 – January 23, 1999) was an American businessman and member of the Pritzker family . He was a founder of the Hyatt Corporation , having purchased the first Hyatt Hotel in 1957, and was responsible for the corporation's evolution into a multinational hospitality conglomerate.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1296442716. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “completed as part of millennium park in downtown chicago”. Today it says “american businessman and member of the pritzker family”. 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
completed as part of millennium park in downtown chicago
Now
american businessman and member of the pritzker family
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.