Yes, and the have kuminost cheese and pickled herring, two epicurian delights which are hard to find in America.
Many nations and cultures have pickled herring. They were most plentiful in the Baltic sea but are somewhat fished out there. But not gone by any extent. Pickling meant the herring could be transported inland in barrels.
Actually, I always wondered what the "national dish" of Norway was, assuming it was some sort of salt-water fish or reindeer.
The largest general ethnic group in Nebraska is the "generic" "Scandinavian"--but from surveys of these people here, it appears 99% of them are of Danish descent, the other 1% being Norwegian, Swedish, Icelandic, and Faeroese.
Danes are cool, and good cooks, excepting for fish.