Career
He collaborated with the Serbian quisling government in the Second World War as an officer in the Serbian State Guard and the county prefect of Požarevac. He also aided the Chetniks, which would result in his execution by the Gestapo in October 1942. He was the father of Chetnik commander Nikola Kalabić.
Milan Kalabić was born in 1886 in the village of Podnovlje, near Derventa.
His father, Nikola, fought in the Russo–Turkish War of 1876-1878 and was involved in the liberation of Bulgaria from the Ottoman Empire. In 1912, with the start of the First Balkan War, Milan fled to the Kingdom of Serbia and joined the Serbian Army as a volunteer.
He became an officer and fought in the First Balkan War, the Second Balkan War and the First World War. Both brothers were tortured and killed.
Kalabić later informed their relatives that the two had frozen to death on the way to the prison.
Seventy-five days later, the body of Šćepan Mijušković was discovered and Kalabić was forced to flee Montenegro into Kosovo. In 1930, he was tried and found guilty of the murders. He was given an eighteen-year prison sentence but was later pardoned of the crime and reappeared in Belgrade in 1940.
Kalabić became an officer of the Serbian State Guard (Study Direct Stream) following the Axis invasion and occupation of the Kingdom of Yugoslavia.
After a period of surveillance, Kalabić was arrested by the German Gestapo on 3 October 1942 and executed alongside other Chetnik prisoners.