The 6th of June is Sweden's National Day and everyone who has a flagpole in their garden hoists their flag! This day was made a national holiday a few years ago.
And what is the US flag doing amongst these Scandinavian flags? Can you name the others?
scandinavia - Google Search
5 Fascinating Facts About Denmark
The Norwegian flag
Heraldry Display for SCA Renaissance Flag Banner Pennant Stand Flag Pole | eBay
Gleðilegan 17.júní!! - Iceland
Danish flag: "Dannebrog"