During the World War II the region was a part of the Nazi puppet Independent State of Croatia. At the time it was a part of Vuka County. The puppet state and Nazi forces conducted criminal policy of Holocaust, Genocide of Serbs in the Independent State of Croatia and Romani genocide by destruction of Vinkovci Synagogue, devastation of Vukovar Synagogue, Dudik Killings, Ivanci massacre and other crimes in the region. Yugoslav Partisans, Europe's most effective anti-Axis resistance movement, was active at the Fruška Gora mountain and in villages alongside Zagreb–Belgrade railway (today M105 railway). The region was liberated after the Syrmian Front was broken.