Hey for once I won the thread. I doubt that ever happened before. 
???
Irish monks are thought to have settled in Iceland at about this time. Reference. Wiki article.
What are conditions like on the south shore of the Mediterranean at this time? It was still considered culturally part of “Europe”, wasn’t it?
Or then there’s Timbuktu.
Were the West African empires up at this point?
Constantinople was on the up in 600 AD and had a higher life expectancy than most of Europe. Smallpox was about to arrive though.