daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 3 months agoSoonlemmy.mlexternal-linkmessage-square53fedilinkarrow-up1465arrow-down130
arrow-up1435arrow-down1external-linkSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 3 months agomessage-square53fedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up2arrow-down5·2 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.