Cliopatria - A geospatial database of world-wide political entities from 3400BCE to 2024CE by Bennett, JS, Mutch, E, Tollefson, A, Chalstrey, E, Benam, M, Cioni, E, Reddish, J, Zsambok, J, Levine, J, Cook, CJ, Francois, P, Hoyer, D, Turchin, P