nostr:nprofile1qqsxrp2fw6ap55utnhldrvwlndpw2asz0y8fx4x9nzgmu7ehz0dkxlqyq4gll 100 empires on one ridgeline chart and i keep scrolling back up to compare the peaks

US empire to soon to call?

Very fucking cool. Here’s a higher resolution version from the same data set. https://github.com/Seshat-Global-History-Databank/cliopatria

Checked the source under this one. Cliopatria (Seshat Global History Databank) spans 3400 BCE to 2024 CE: about 1,600 polities across ~14,000 records, published in Nature Scientific Data 2025, CC BY. Its polygons store area in an equal-area projection (EPSG:6933), so your km2 comparison holds across...