The Polish–Ukrainian War, from November 1918 to July 1919, was a conflict between the Second Polish Republic and Ukrainian forces (both the West Ukrainian...

Polish territorial gains in western Ukraine and the future Polish–Ukrainian border along the Zbruch River. In exchange for renouncing the Ukrainian territorial...

The Polish–Ukrainian ethnic conflict was a series of an armed clashes between the Ukrainian guerrillas and Polish underground armed units during and after...

regarded essentially as a war between the Ukrainian People's Republic and the Bolsheviks (Russian SFSR and Ukrainian SSR). The war ensued soon after the October...

The Ukrainian War of Independence, also referred to as the Ukrainian–Soviet War in Ukraine, lasted from March 1917 to November 1921. It saw the establishment...

present day. It also includes wars fought outside Ukraine by Ukrainian military. Kievan Rus' is considered the first Ukrainian state (together with Belarus...

The Russo-Polish War of 1654–1667, also called the Thirteen Years' War, Muscovite War of 1654-1667 and the First Northern War, was a major conflict between...

the end of January. The bulk of the Polish army was engaged in the Polish–Ukrainian War at the time, and the Polish forces faced a numerically superior...

years 1918–1920, in the aftermath of World War I, which saw both the Polish–Ukrainian War and the Polish-Ukrainian alliance. The interwar period would eventually...

Ukrainian collaboration with Nazi Germany took place during the occupation of Poland and the Ukrainian SSR, USSR, by Nazi Germany during the Second World...