daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 3 days agoSoonlemmy.mlimagemessage-square96fedilinkarrow-up1828arrow-down154
arrow-up1774arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 3 days agomessage-square96fedilink
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.