EN
In November 1918 Poland regained the independence after 123 years of national slavery· From the beginning of its existence the Polish Armed Forces had to struggle for the frontiers of the state. Among others the 4th Infantry Division came into being in 1919. It belonged to the Łódź General District in 1919-1921. First that division took part in the Polish-Ukrainian War, then in the Polish-Russian War. The reorganization of the 4th Infantry Division, as well as the others, was carried out in November 1921. After the return from the front it belonged to the VIII Corps District in Toruń and composed of three infantry regiments instead of four like so far. In September 1939 the 4th Infantry Division fought as part of the “Pomorze” Army defending Poland against the Third Reich.