Chetniks was an Serbian Nationalist and Anti Axis movement in the Kingdom Of Yugoslavia. The Organization was part of the Yugoslav Army before The Axis Invasion of Yugoslavia. After the Invasion Of Yugoslavia, They had started collaboration with The Axis Powers, With Nazi Germany,Italy, And The Independent State Of Croatia and lost allied support to the Allies in WW2. During WW2, The Organization commited war crimes such as killings on Non Serbian People such as Croats, Bosnians and also on Yugoslav Partisans. The Organization was soon dissolved when the Yugoslav Partisans were victorious in Yugoslavia and Chetniks Retreating and being banned in the SFR Yugoslavia. The Group had been Revived in the Yugoslav Wars also commiting war crimes on Croats, Muslims and Non Serbs