The Capital Became a Battlefield
The siege occurred late in the Second World War, with Soviet forces advancing on Hungary's capital against German and Hungarian defenders. By autumn 1944, Romania had changed to the Allied side, and Soviet and Romanian troops approached from the east. After Regent Horthy's October attempt to leave Germany's camp failed, the pro-German regime led by Szálasi continued the war.
Malinovsky's 2nd Ukrainian Front began advancing on Budapest on October 29. The Forty-Sixth Army reached the southern approaches, but German reinforcements and Soviet ammunition shortages frustrated the attempt at rapid capture in early November. Fighting then shifted toward encirclement. Pest east of the Danube and Buda west of it became interdependent urban areas that still had to be taken separately.
Two Fronts Completed the Encirclement
Tolbukhin's 3rd Ukrainian Front crossed the Danube from the south and advanced between Lake Balaton, Lake Velence and the capital. The 2nd Front pressed from the northeast and north. German Army Group South repeatedly moved armored units to plug gaps but struggled to protect the city's outskirts, transport lines and western Hungary's important resource areas simultaneously.
On December 23, Soviet forces cut the main westward road and railway from the capital; on December 26, they reached Esztergom and completed encirclement. Karl Pfeffer-Wildenbruch's IX SS Mountain Corps headquarters commanded the Germans inside, while Hungarian troops had their own I Corps under Hindy. Hitler insisted on holding the city. Buildings, barricades and antitank defenses formed the defensive system, trapping many residents who had not evacuated.
Three Operation Konrad Relief Attempts
In January 1945, German forces launched three Konrad operations to restore contact with the garrison, with IV SS Panzer Corps as the main relief force. The first attacked from the direction of Komárno, seeking a shorter route to save time and fuel, but mountain roads, Soviet infantry and antitank fire limited progress. A subsequent northern approach also failed to open a corridor.
On January 18, the Germans launched the third offensive south of Lake Velence, temporarily reached the Danube and recaptured Székesfehérvár. Soviet forces concentrated at the penetration, and the German advance lost momentum near the Vál watercourse. Relief operations ended after the Soviet counterattack on January 27. Although the external offensives tied down Soviet troops, they did not establish a stable land supply route to the defenders.
Pest Fell and Buda Attempted a Breakout
Pressure within the siege continued rising. After Pest's defensive perimeter was breached, fighting entered its neighborhoods. Around January 18, defenders withdrew west of the Danube, with wounded soldiers and residents mingled in the retreat. Bridges were then demolished, further isolating the remaining Buda defenses. Air supply was constrained by weather, fuel shortages and the progressive loss of landing grounds.
On the evening of February 11, with supplies nearly exhausted, Pfeffer-Wildenbruch organized a breakout. Krisztián Ungváry's study notes that orders came late, some units did not learn of them in time, and Hungarian commanders had been excluded from early planning. The breakout columns suffered heavily on the roads under Soviet fire; only a few ultimately reached German lines. Buda Castle fell on February 13, ending organized urban resistance.
Civilian Hardship and Urban Destruction
Continuous shelling and air attacks drove residents into cellars; electricity, gas and water systems had already stopped in many neighborhoods. The troops themselves lacked medical and supply capacity, with wounded concentrated underground. During fighting, normal treatment, firefighting and burial were impossible. Existing daily-life and transport networks progressively disintegrated under blockade and street combat.
Violence was not limited to the belligerents' fire. Ziemke described Arrow Cross militia killings and looting in Buda. Destruction of the Danube bridges further severed connections between the banks, and the defenders' final defeat did not immediately end hunger or housing shortages. Military operations destroyed the capital's basic operating conditions, making restored supplies and municipal reconstruction urgent postwar tasks.
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Political Arrangements After the Military Defeat
Budapest's fall did not end all fighting in Hungary. German forces remained in the west and launched another offensive around Lake Balaton in March. Meanwhile, the Hungarian provisional government formed in Soviet-occupied territory had signed an armistice on January 20. Loss of the capital further deprived the old regime of its political and administrative center.
A U.S. State Department briefing prepared for Potsdam on July 5, 1945 recorded that the provisional coalition had extended its administrative organization nationwide, while a Soviet-dominated Allied Control Commission supervised the armistice. It attributed economic difficulties to war damage, German removal of equipment and supplies, and Soviet requisitions and reparations demands. The capital's military defeat therefore connected to occupation administration, allocation of goods and reconstruction of state power, not merely a movement of front lines.