[pqtyw]

There was a collapse though. The plague, climate change and warfare lead to significant population declines. Especially in Italy.

[lurk2]

You are referring to the Black Death and that didn’t occur until around 350 years after the end of what are colloquially known as the Dark Ages.

[whobre]

There was also The Plague of Justinian in the 6th century which may have been more devastating than the Black Death.

[pqtyw]

So you both can read other people's minds yet are also entirely ignorant about major well known historical events? Fascinating.