The origin of the sub-district goes down to various conspiracy organisations like Związek Harcerstwa Polskiego (Engl.: Association of Polish Scouts), Association of Reservists, Polish Socialist Party. The oldest conspiracy association was formed in Żoliborz by soldiers of the 21st Infantry Regiment "Children of Warsaw" (Polish 21 Pułk Piechoty "Dzieci Warszawy". The command of it was assumed by major Stefan Obrąbski and after his arrest and deportation to a P.O.W. camp, the command was assumed by officer cadet Stefan Szuba. The first commander of the Sub-district II of Żoliborz was major Stanisław Thun pesudonym Nawrot. After him the command as assumed by major Mieczysław Niedzielski pseudonyms "Żywiciel" or "Wojciechowski" or "Sadowik".