I'm a swede and I had no idea, I've refrigerated eggs as long as I can remember. My parents are from Croatia though so it's kind of weird that I picked up this habit. My relatives in Croatia do not refrigerate eggs. Most swedes that I can think of refrigerate their eggs straight from the store. The recommendation is printed on the box to refrigerate. Now that I've read this article it suddenly makes sense why I've so…
As a side note, Sweden has eradicated salmonella in the egg-laying chicken population so Swedish eggs are 100% salmonella-free.