feb 22, 1997 - cloning of the Dolly sheep
Description:
It was the first mammal cloned from an adult cell. Its creators were the scientists of the Roslin Institute in Edinburgh (Scotland), Ian Wilmut and Keith Campbell. His birth was not announced until seven months later, on February 22, 1997.Added to timeline:
Date:
feb 22, 1997
Now
~ 28 years ago