https://stribogsforest.wordpress.com/2024/04/16/godzilla-40-000-how-large-would-warhammer-40k-godzilla-be/
As skyline has grown, so has Godzilla. Each new iteration was somewhat larger from the previous one. So if Godzilla existed at the turn of 41st Millenium, how large would it have been?
Rome was very much an exception, though.
Uh... read again what I wrote.
If you look at ancient cities, where defense was either unnecessary (Pax Romana) or relied primarily on massive field armies, you have wide streets, geometric layout, and city walls either do not exist at all or are...
Was the loss of population due to raiding hordes, however, or because countryside got devastated by the raids and the plagues, thus reducing its ability to actually support the city size? No food, no town. Plus, most of the larger cities appear for the purposes of trade... so when raving hordes...
I found these...
https://www.jetpunk.com/user-quizzes/310474/biggest-cities-in-europe-in-1900
https://journeyz.co/largest-cities-europe-1900/
https://www.sociostudies.org/almanac/articles/the_nineteenth-century/
What is the source of god's power? Is it internal or external? If it is internal, well, maybe a divine weapon can hurt gods as it is made by gods? If it is external, removing source of power (e.g. belief / believers) may work.