Calendarby GlyphHistory · Anniversaries
25th anniversary: Scientists at the Roslin Institute in Scotland announced the existence of...
Tue, February 22, 2022
5 yr ago
In 1997, Scientists at the Roslin Institute in Scotland announced the existence of Dolly, a female sheep who was the first mammal to have successfully been cloned from an adult cell.
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 25 years (1997 to 2022).
- Recurs
- annual
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- 2026-09-25: added to 2022-02-22