While UV rays can cause skin cancer, because skin cancer usually affects people after they have had children, it likely had little effect on the evolution of skin color because evolution favors changes that improve reproductive success.
The only problem was that I couldn't remember where I had heard that. In fact, I wasn't all that sure that I was right. I know that the Roman Empire lasted rougly 500 years but how about the Egyptians, the Chinese, the Ottomons, etc. I thought that it would be interesting to explore different empires and see how long they lasted. In another article, I talk about the definition of civilization..
Answer Wiki. Yes. To quote the famous line, âThe Holy Roman Empire was neither Holy, nor Roman, nor an Empireâ. The Roman Empire was centered on Rome, Italy, and is considered to have lasted from 27BCE/BC until 476CE/AD. It was formed from the Roman Republic before it, with roots stretching back from the 8th century BC.