daydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 26 days agoSoonlemmy.mlimagemessage-square66fedilinkarrow-up1713arrow-down152
arrow-up1661arrow-down1imageSoonlemmy.mldaydrinkingchickadee@lemmy.ml to Memes@lemmy.ml · 26 days agomessage-square66fedilink
minus-squaredaydrinkingchickadee@lemmy.mlOPlinkfedilinkarrow-up3arrow-down6·25 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.