In actuality, the "Dark Ages" are far from a barbarian time of decay. European civilization has been formed during the "Dark Ages", and almost everything that we usually think of as Western Culture has been invented during the "Dark Ages".

Here are just a few examples:

This is of course far from a complete list, but should be enough to show the importance of the "Dark Ages" in a global context. We are all, in fact, children of the "Dark Ages" culturally and socially. (At least those of us who have European ancescestors.)