High Quality Content by WIKIPEDIA articles! The Sixth anti-Partisan Offensive (codenames Kugelblitz, Schneesturm, Herbstgewitter), known in ex-Yugoslavia as the Sixth Enemy Offensive was a series of major anti-Partisan offensives planned by the German forces for late 1943 and early 1944. The Germans attacked Josip Broz Tito's Partisan foces in northwestern Yugoslavia. This offensive was organized into three smaller offensives: Operation Kugelblitz, Operation Schneesturm, and Operation Herbstgewitter.