Luxembourg participated in the Korean War. They sent their entire army of 44 soldiers to assist South Korea in 1951, with 2 deaths and 17 injured in the conflict by the end.
Teachers in Luxembourg are the best paid in the world, with a starting salary of 73,300€ ($79,920) going up to 128,200€ ($138,920) per year.
In the 1952 Olympics, Luxembourg won a gold medal which was so unexpected that the band did not know their national anthem and instead had to improvise and played gibberish.
When Luxembourg was liberated from Nazism in 1944, the returning government was so impressed with some regulations and laws concerning tax and employment the Nazis had made, that it decided to simply keep them.