daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 1 month agoSoonlemmy.mlimagemessage-square101linkfedilinkarrow-up1828arrow-down157
arrow-up1771arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 1 month agomessage-square101linkfedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down7·1 month 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.