4.2-kiloyear event (1 jan 2200 ano antes da era comum – 1 jan 2100 ano antes da era comum)
Descrição:
A severe aridification phase, likely connected to a Bond event, which was registered throughout most of North Africa, Middle East and continental North America. Related droughts very likely caused the collapse of the Old Kingdom in Egypt and the Akkadian Empire in Mesopotamia
https://en.wikipedia.org/wiki/Aridification
https://en.wikipedia.org/wiki/Bond_event
https://en.wikipedia.org/wiki/Old_Kingdom_of_Egypt#Decline%20into%20the%20First%20Intermediate%20Period
https://en.wikipedia.org/wiki/Akkadian_Empire#Collapse
Adicionado na linha do tempo:
Data:
1 jan 2200 ano antes da era comum
1 jan 2100 ano antes da era comum
~ 100 years