daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 4 months agoSoonlemmy.mlimagemessage-square100linkfedilinkarrow-up1799arrow-down155
arrow-up1744arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 4 months agomessage-square100linkfedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down7·4 months 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.