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Case file

Guggenheim family

Wikipedia's first sentence called it “known for their successes in mining and smelting”. Today it says “american family of swiss origin known for making their fortune in the mining industry”.
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 2005 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2005

Guggenheim family refers to a number of descendants of Meyer Guggenheim who were known for their successes in mining and smelting , and later for their philanthropy in diverse areas such as modern art and aviation .1 Guggenheim (1861-1949) Simon Guggenheim (1867-1941) v t e2

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 16272316.
Today
Wikipedia's first sentence called it “known for their successes in mining and smelting”. Today it says “american family of swiss origin known for making their fortune in the mining industry”. Read the current article and compare.
2005201020152020Oct '232025
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 2005, and today's defining sentence is their current revision.

Then

known for their successes in mining and smelting

Now

american family of swiss origin known for making their fortune in the mining industry

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.

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