Together with other units of the White movement, the Polish squadron marched to Kuban in southern Russia, where it fought the Red Army.
In mid-August 1918, following an agreement between the Volunteer Army and General Lucjan Żeligowski, the unit was subjected to Polish military authorities of the Kuban region.
When in April 1919 allied forces decided to leave southern Ukraine, the regiment covered the retreat, crossing the Dniester river as the last unit.
On July 11–13, 1919 near Yazlovets in Eastern Galicia, the regiment defeated Ukrainian forces, successfully defending the local convent of the Sisters of the Immaculate Conception of the Blessed Virgin Mary.
[1] After pushing Ukrainian forces behind the Zbruch river, the regiment marched to Volhynia, to fight the advancing Red Army.
As part of Cavalry Operational Group of General Stanisław Grzmot-Skotnicki, the 14th Uhlan Regiment of Jazłowiec fought in the Battle of the Bzura, in the area of Łęczyca, Łowicz and Stryków.
Transferred to France after the Invasion of Normandy, it was equipped with American M4 Sherman tanks, and since August 1944, the regiment began recruiting ethnic Poles, who had served in the Wehrmacht and had been captured as POWs.
It was commanded by Colonel Andrzej Choloniewski, whose deputy was Captain Dragan Sotirović, a former officer of the Royal Yugoslav Army, who escaped from a German POW camp, and found refuge among Polish partisans.
On July 22–27, 1944, Jazłowiec Uhlans fought in the Lwów uprising, after which many Polish soldiers were arrested by the NKVD and deported to Siberia.
The flag, founded by students of the school of Sisters of the Immaculate Conception of the Blessed Virgin Mary in Jazlowiec, was handed to the regiment by Marshal Józef Piłsudski, on March 20, 1921, in Tomaszów Lubelski.
After the battle, the flag was taken to Warsaw, and after the city's capitulation, it was hidden in the house of the Narutowicz family, located on Nowogrodzka Street.
It is in the shape of the Maltese cross, with the Virtuti Militari located in the middle, the Podolian sun, letters U J, and the date, 1918.