The official German document which refers to the bombing of Belgrade, presented in a postwar trial, says that the National Library of Serbia had been marked as one of the first targets of the Nazi bombing of Belgrade in 1941. In the first investigative statement given to the officers of the National Liberation Army of Yugoslavia in mid-May 1945 in Kupinec near Zagreb, German General Alexander Löhr said that Adolf Hitler personally ordered the complete destruction of Belgrade. Said Löhr: