Stjepan Filipović was a Yugoslav communist who led the Kolubara Company of the Valjevo Partisan Detachment during the 1941 Partisan uprising. He was captured and executed in 1942 in Valjevo. A photo of him taken shortly before his execution became a symbol of resistance against fascism in the Second World War, and was, among others, exhibited in the United Nations building in New York. He was proclaimed People's Hero of Yugoslavia in 1949.

Valjevo is a city and the administrative center of the Kolubara District in western Serbia. According to the 2022 census, the administrative area of Valjevo had 82,169 inhabitants, 56,145 of whom were urban dwellers.