Thomas Churchill of the British Military Mission attending the May Day celebrations of the 26th Infantry Division of the Yugoslav Liberation Army at Vis, 1 May 1944

Photograph, World War Two, Balkans (1941-1945), 1944.

During 1943, growing evidence of Chetnik (Serbian royalist) collaboration with the Axis forces in Yugoslavia finally led Britain to switch its support from the latter to Marshal Tito's Partisans, a multi-ethnic and communist resistance army who were pinning down thousands of Axis soldiers in Yugoslavia and preventing their use on other war fronts.