One of the most famous castles in the world Olavinlinna in Finland was built to protect the country from an invasion by Russia It is the northernmost medieval stone fortress still standing in the world.
Christmas Traditions Around the World - iNFOGRAPHiCs MANiA
I 've often heard Swedes say this, and the other Nordics have very different reactions to it. Not sure how most Norwegians feel about it, but the few I've heard comment on it seemed to be okay with it.
'Moonlight Aurora II' - photo by Mike Taylor; Taylor says, "The Moon was very bright and washed out a lot of the sky and the aurora but made for some nice lighting on the snow during the quick Northern Lights display in mid-February.