 , the city proper has a population of 150,835, while its administrative area comprises a total of 179,417 inhabitants.Kragujevac was the first capital of modern Serbia and the first constitution in the Balkans, the Sretenje Constitution, was proclaimed in the city in 1838.During the Second World War, Kragujevac was the site of a massacre by the Nazis in which 2,778 Serb men and boys were killed.