daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 10 days agoSoonimagemessage-square100fedilinkarrow-up1836arrow-down157
arrow-up1779arrow-down1imageSoondaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 10 days agomessage-square100fedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up4arrow-down7·10 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.