What brought the Islamic golden age to an end?Watch
(In other words, I have no idea but I'm bored so I just thought I'd post a very general and not necessarily relevant answer to your question anyway)
Mongol sacking of Baghdad was probably the biggest blow
What a waste
Did it have a golden age? Egypt was supposed to have a golden age but quite a few Egyptologists have questioned this despite acknowledging Egypt's advances in science, art, agriculture and religion.
Anybody who knows whats going on in arab countries atm in terms of " top down corruption " knows what I'm on about.
Very detailed indepth history behind this but thats the overview, please do research the matter, its one which has never been shed light upon. " The dark ages of europe were the golden age of Arab countries. "
However every great civilisation has risen and fallen... God knows when it will happen to the U.S. ( though i dont see whats so great about them )