I can read wiki, but the source of 1944 article is hardly wiki material, as there is no mention of similar ideas about ancient China. If you scroll that wiki li

I can read wiki, but the source of 1944 article is hardly wiki material, as there is no mention of similar ideas about ancient China. If you scroll that wiki link you posted, then you can find this link with dates for civilizations: http://www.ancienthistorylists.com/ancient-civilizations/10-oldest-ancient-civilizations-ever-existed/ http://www.ancienthistorylists.com/ancient-civilizations/10-... What's the use of learned knowledge, if it can't be used for practical purposes? Your definition of civilization is enough to ponder what makes civilization now: one internet for communication, K-POP, impossibility to do isolated science, global corporations with factories in China, that will suffer shortages because of Coronavirus, that can be spread by connecting airlines. Suddenly Chinese eating habits is concern for the rest of the world.