Good question. I'm not sure we have identified the answer though. The T-shirt printing software could doubtless produce the design, but where are the bedsheet-size printers and transfer sheets?

As LH says, Denmark doesn't seem to get into a lot of scraps; a bit of Viking way back, and they were with the French in the Napoleonic wars (hence the Battles of Copenhagen in 1801 + 1807) then a bit of a barney in mid 1800s over Schleswig-Holstein, neutral in WW1, same in WW2 until overrun by Germany. No angels, perhaps, but maybe we should learn something from them.