In the meantime (1747), a part of Mitrovica's demesne land had been included into the Military Frontier, so Marko III Aleksandar was given the right to buy Virovitica and Retfala estates.
Within the 1991 Yugoslav campaign in Croatia, the 5th (Banja Luka) Corps of the Yugoslav People's Army (Jugoslovenska Narodna Armija – JNA) was tasked with advancing north through western Slavonia, from Okučani to Daruvar and Virovitica, and with a secondary drive from Okučani towards Kutina.