Post New Thread Reply to Message Post New Poll Submit Vote Delete My Own Post Delete My Own Thread Rate Posts. The Eastern Front or Eastern Theater of World War I was a theatre of operations that 4.1 First combat (August 1914). 5 1915. 5.1 Russo-Turkish Offensive. The Eastern Front of World War II was a theatre of conflict between the European Axis powers 4.1 Operation Barbarossa: Summer 1941; 4.2 Moscow and Rostov : Autumn 1941; 4.3 Soviet counter-offensive: Winter 1941; 4.4 Don, Volga, and.