During 16. century, Ottoman invasion was at it’s peak. They even threaten to occupy Vienna itself. Monarch Carl II, decided to build this star – shaped fortified city between two rivers whose waters filled its moat. He named this city by himself, Karlovac (Carl’s city) and build in his foundations 900 Turkish heads. Turks besieged city nine times but never managed to breach it’s mighty walls.
History of Karlovac
