The Younger Dryas, a period of sudden cooling and return to glacial conditions. (1 janv. 10900 av. J.-C. – 1 janv. 9700 av. J.-C.)
Description:
https://en.wikipedia.org/wiki/Younger_DryasAjouté au bande de temps:
Date:
1 janv. 10900 av. J.-C.
1 janv. 9700 av. J.-C.
~ 1200 years