 October 1941 (“Personenstandsaufnahme”), by making a referendum in Luxembourg.German occupants tried to force Luxembourgers by all means to vote for the annexation to Germany, however the LPL did massive campaigns against this "referendum", and the German had to accept that they did not get the result they hoped they would get.From that day on, Nazi Germany knew that the Luxembourgish inhabitants were completely opposite to Nazi propaganda, and that Luxembourg would never accept to be part of Germany.