The Polish Invasion of South Prussia began in Early December 1991 Shortly before the Creation of the Baltic State. The conflict arose when the region of South Prussia democratically voted for their independence and succession from the Polish Republic, The new South Prussia received widespread recognition from Socialist states and at the time from NATO members Latvia, Lithuania and Estonia. The newly formed South Prussia was to be one of the founding nations of the Baltic State in Union with North Prussia. Shortly before the official creation of the Baltic State, Poland suddenly and deliberately invaded South Prussia.