Polish 5th Infantry Division

5th Lwów Infantry Division (Polish: 5 Lwowska Dywizja Piechoty) was a unit of the Polish Army in the interbellum period, with headquarters stationed in Lwów. It was created on May 20, 1919, during the Polish–Ukrainian War in Eastern Galicia. Originally, it consisted of three infantry regiments, but later it was strengthened with additional two. During Polish September Campaign it was commanded by General Juliusz Zulauf. The Division consisted in September 1939 of these regiments:

On April 4, 1919, Marshal Józef Piłsudski named General Wladyslaw Jedrzejewski commandant of the newly created Lwów Infantry Division. The division, formed in spring 1919 in former Austrian Galicia, consisted at first of three regiments: 38th, 39th (the so-called Lwów Brigade), and two battalions of the 40th Infantry Regiment. Furthermore, it had both light and heavy artillery.

By late April 1919, the Lwów Division (Dywizja Lwowska) consisted of 7000 soldiers, 54 cannons and 136 machine guns. On May 27, the division was reinforced with the 19th Infantry Regiment, and renamed into 5th Infantry Division. Its four infantry regiments were divided into 9th and 10th Infantry Brigades. At that time, the division consisted of:

On May 14, 1919, Polish offensive in Eastern Galicia was initiated (see Polish–Ukrainian War). The Lwów Division initially advanced towards Zolkiew, and in late May, as part of Operational Group of General Wladyslaw Jedrzejewski, it captured Zborów (May 30). On June 1, together with the division of Colonel Władysław Sikorski it captured Tarnopol, main city of the region. By June 4, soldiers of the Lwów Division for the first time faced patrols of Red Army's 20th Rifle Division.

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