The regiment was formed in November 1918 in Jabłonna and Radzymin near Warsaw. A few months later it joined fighting against the Red Army: in the area of Wilno and in Belarus. In winter of 1919/1920 it took part in the Battle of Daugavpils, and in spring 1920, it participated in the Polish Kiev Offensive. After a Soviet counteroffensive, the regiment, together with other Polish units had to retreat, fighting the 1st Cavalry Army (Soviet Union) of Semyon Budyonny. In August 1920, after the Battle of Warsaw, the regiment freed Drohiczyn and then Białystok, beating the Red Army in the Battle of Białystok. It then fought in the Battle of Lida, ending its participation in the war in mid-October 1920.