As a private town, Końskowola served as a marketplace for trade of farm produce for the surrounding area.

On May 8, 1942, the Nazis conducted an Aktion in which many Jews were rounded up and transported to the Sobibór extermination camp.

In a massacre carried out by German troops: the Reserve Police Battalion 101, some 800–1000 Jews, among them women and children, were taken to a nearby forest and slaughtered.

With the approach of Red Army forces in the summer of 1944, the Germans had plans to burn the town.

With the arrival of Soviet Red Army troops, the combined antifascist combatants succeeded in securing the area's liberation.

Znalezienia Krzyża (The Finding of the Holy Cross), restored c. 1670 in a Baroque architectural project by Tylman van Gameren.

Henryk Sienkiewicz, a famous Polish novelist and Nobel prize winner, author of historical novel With Fire and Sword included a critical mention of "...