Wikipedia's first sentence called it “government defense research institute specializing in biology”. Today it says “israeli research and development laboratory”.
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
Israeli research and development laboratory Israel Institute for Biological Research (IIBR) is an Israeli research and development laboratory. It is under the jurisdiction of the Prime Minister's Office that works in close cooperation with Israeli government agencies. IIBR has many public projects on which it works with international research organizations (governmental and non-governmental) and universities. It has approximately 350 employees, 150 of whom are scientists. Its research findings are often published in national and international scientific publications. Some reports claim it may be involved in the manufacturing of biological and chemical weapons. In 2020, IIBR started developing a COVID-19 vaccine named "Brilife".
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1297254017.
The opening as it stood in 2010
Israel Institute for Biological Research (IIBR) is a government defense research institute specializing in biology , medicinal chemistry and environmental science . It is located in Ness Ziona , 20 kilometers south of Tel Aviv . IIBR has approximately 350 employees, 150 of whom are scientists.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 360373146.
The opening as it stood in 2015
Israel Institute for Biological Research (IIBR) is an Israeli government defense research institute specializing in biology , medicinal chemistry and environmental science .The institute's work is a closely guarded secret.It is suspected of also developing biological and chemical weapons and defenses against them, as well as toxins for use by Israeli intelligence in assassinations. It is located in Ness Ziona , 20 kilometers south of Tel Aviv . IIBR has approximately 350 employees, 150 of whom are scientists.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 643814266.
The opening as it stood in 2020 4 passages from the previous snapshot no longer appear
Israel Institute for Biological Research (IIBR) is an Israeli research and development laboratory It is under the jurisdiction of the Prime Minister's Office that works in close cooperation with Israeli government agencies.IIBR has many public projects on which it works with international research organizations (governmental and non-governmental) and universities. It has approximately 350 employees, 150 of whom are scientists. Its research findings are often published in national and international scientific publications.It is widely believed to be involved in the manufacturing of biological and chemical weapons.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 964859032.
The opening as it stood on October 6, 2023
Israel Institute for Biological Research (IIBR) is an Israeli research and development laboratory It is under the jurisdiction of the Prime Minister's Office that works in close cooperation with Israeli government agencies. IIBR has many public projects on which it works with international research organizations (governmental and non-governmental) and universities. It has approximately 350 employees, 150 of whom are scientists. Its research findings are often published in national and international scientific publications. It is widely believed to be involved in the manufacturing of biological and chemical weapons. The IIBR is currently developing a COVID-19 vaccine Brilife.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1141971798.
Today
Wikipedia's first sentence called it “government defense research institute specializing in biology”. Today it says “israeli research and development laboratory”. 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
government defense research institute specializing in biology
Now
israeli research and development laboratory
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.
