The uprising in Serbia was initiated in July 1941 by the Communist Party of Yugoslavia against the German occupation forces and their Serbian quisling auxiliaries in the Territory of the Military Commander in Serbia. At first the Yugoslav Partisans had mounted diversions and conducted sabotage and had attacked representatives of Aćimović's quisling administration. In late August some Chetniks joined the uprising and liberated Loznica. The uprising soon reached mass proportions. Partisans and Chetniks captured towns that weak German garrisons had abandoned. The armed uprising soon engulfed great parts of the occupied territory. The largest liberated territory in occupied Europe was created by the Partisans in western Serbia, and was known as the Republic of Užice. Rebels shared power on the