There is a mass grave of 187 wounded soldiers ROA (Russian Liberation Army Vlasovci), shot after the end of the war in Prague hospitals by members of the NKVD, at the Olšany cemeteries. In 1995, the historian Stanislav A. Ausky in Příbram had exhumed the remains of the ROA generals Vladimir I Bojarsky and Michail M. Sapovalov and the German liaison officer Karel-Ludwig Ottendorf.