bard32 saying something is ASB?
But... but... I read it in a book! It said that Finns had nuclear capability but lost it in 10th Century BC when they accidentaly dropped it over Tunguska which got into a time machine and was sent to the 20th Century to cause the explosion there!
Good book, too.

Just kidding.
Seriously, though, it is not ASB. One can engineer a POD waaaay back in the past and muddle up history so that there becomes a Finnish Empire. Or perhaps a plague that does not reach Finland.
It is pretty hard to engineeer one, however, and is unlikely on many counts. And if you do, it may as well be unrecognisable... as well as everything else.