daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 2 months agoSoonlemmy.mlimagemessage-square101linkfedilinkarrow-up1836arrow-down157
arrow-up1779arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 2 months agomessage-square101linkfedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down7·2 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.