daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 2 days agoSoonlemmy.mlimagemessage-square95fedilinkarrow-up1820arrow-down155
arrow-up1765arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 2 days agomessage-square95fedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down6·2 days agoCliodynamics and Structural-Demographic Theory suggests cycles of 200-300 years as well.
Cliodynamics and Structural-Demographic Theory suggests cycles of 200-300 years as well.