Political map of Europe & the Mediterranean 24 December 1944 (Liberation of the Balkans): The Allied (Allies of World War II) push through Belgium was halted by an unexpected German counterattack through the Ardennes in December (Battle of the Bulge), however the Soviet offensive continued into Hungary. In the Balkans, where insurgencies had been causing the Germans problems since their initial invasion (World War II in Yugoslavia), Yugoslav (Yugoslav Partisans) and Albanian partisans (National Liberation Movement (Albania)) effectively liberated their own countries.