Case file
INS Tanin (2012)
Wikipedia's first sentence called it “israeli submarine”. Today it says “israeli dolphin 2-class submarine of shayetet 7 flotilla”.
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.
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The opening as it read in 2020
INS Tanin is an Israeli Dolphin 2-class submarine . The name means "crocodile" in modern Hebrew , but can also mean the sea monster " tannin ". The submarine was launched in February 2012 in Kiel, Germany , and was delivered to the Israeli port city Haifa later that year, and entered service in 2014.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 961258096.
Today
Wikipedia's first sentence called it “israeli submarine”. Today it says “israeli dolphin 2-class submarine of shayetet 7 flotilla”. Read the current article and compare.
| 2015 | 2020 | Oct '23 | 2025 |
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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
israeli submarine
Now
israeli dolphin 2-class submarine of shayetet 7 flotilla
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.