daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 9 days agoSoonlemmy.mlimagemessage-square100fedilinkarrow-up1832arrow-down157
arrow-up1775arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 9 days agomessage-square100fedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down7·8 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.