there were also the 4.2 kiloyear event (2200BC) that caused the collase of the old kingom and akkadian empire. [1] the bronze age collapse around 1200BC is now

there were also the 4.2 kiloyear event (2200BC) that caused the collase of the old kingom and akkadian empire. [1] the bronze age collapse around 1200BC is now also partly explained by a climate event, that drove the sea people into warmer regions [2]; the black death in the middle ages may also have something to do with climate [3]; It looks as if every millenium there is a climate event that is causing some big changes. [1] https://en.wikipedia.org/wiki/4.2-kiloyear_event https://en.wikipedia.org/wiki/4.2-kiloyear_event [2] https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse#Environmental https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse#Envir... [3] https://en.wikipedia.org/wiki/Crisis_of_the_Late_Middle_Ages#Climate_change_and_the_Great_Famine https://en.wikipedia.org/wiki/Crisis_of_the_Late_Middle_Ages...