What other civilization came up with their own writing called hieroglyphics a bit later than mesopotamians?

The Egyptians. They were the creator of Hieroglyphic. The Mesopotamians did not have a language which the clarified as Hieroglypic. Hope that helps.

Ongoing civil wars western roman empire finally collapsed476 c.e. romulus, the last of theroman  emperors in  the west, was overthrown by the germanic leader odoacer, who became the first barbarian to rule in rome. the order that the  roman empire  had brought towestern  europe for 1000 years was no more.