daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 27 days agoSoonlemmy.mlimagemessage-square101fedilinkarrow-up1828arrow-down158
arrow-up1770arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 27 days agomessage-square101fedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down7·26 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.