The Battle of Slankamen (also Battle of Szlankamen in some sources) was fought near Slankamen in the Ottoman Sanjak of Syrmia (modern-day Vojvodina region, Serbia) on August 19, 1691, between the Ottoman Empire, and the forces of Austria and states of the Holy Roman Empire as part of the Great Turkish War.
Radoslav Čelnik then ruled over Srem as an Ottoman vassal and took for himself the title of the duke of Srem, while his residence was in Slankamen.
Novi Slankamen ("New Slankamen"), a village in Vojvodina, Serbia
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Stari Slankamen ("Old Slankamen"), a village in Vojvodina, Serbia
The prince fled to the Kingdom of Hungary where he had large estates, which included Zemun, Slankamen, Kupinik, Mitrovica, Stari Bečej, Kulpin, Čurug, Sveti Petar, Perlek, Peser, Petrovo Selo, Bečej, Arač, Veliki Bečkerek, Vršac, etc.