6. On a related note Luxembourg π±πΊ is one of four institutional seats of the European Union πͺπΊ (along with Brussels π§πͺ, Strasbourg π«π·, and Frankfurt π©πͺ).
Luxembourg City hosts various EU institutions including the European Court of Justice.
https://en.wikipedia.org/wiki/Institutional_seats_of_the_European_Union
7. Despite the country's motto of "Mir wΓ«lle bleiwe wat mir sinn" ("We want to stay what we are"), following the Second World War Luxembourg π±πΊ briefly expanded to claim a small part of Germany π©πͺ.
In 1959 it was returned to Germany in exchange for a settlement payment.
https://en.wikipedia.org/wiki/Luxembourg_annexation_plans_after_the_Second_World_War
#geoweirdness