Vienna Offensive

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Vienna Offensive
Part of World War II
Date 2 April 194513 April 1945
Location Vienna, Austria
Result Soviet victory
Combatants
Nazi Germany Soviet Union
Bulgaria
Commanders
Sepp Dietrich Fyodor Tolbukhin
Strength
One army (under strength)
Local irregulars
Four armies (full strength)
Eastern Front
BarbarossaBaltic SeaFinlandLeningrad and BalticsCrimea and CaucasusMoscow1st Rzhev-Vyazma2nd KharkovStalingradVelikiye Luki2nd Rzhev-SychevkaKursk2nd SmolenskDnieper2nd KievKorsunHube's PocketBelorussiaLvov-SandomierzBalkansHungaryVistula-OderKönigsbergBerlinPrague
Hungary 1944-1945
DebrecenBudapestBalatonVienna

The Vienna Offensive was launched by the Soviet 3rd Ukrainian Front against Vienna, Austria. The offensive lasted from April 2 to April 13, 1945. The city of Vienna was surrounded and under siege for most of the offensive.

Contents

After the failure of Operation Frühlingserwachen, Sepp Dietrich's 6th SS Panzer Army retreated in stages to the Vienna area. [1] The Germans desperately prepared defensive positions in an attempt to guard the city against the fast arriving Soviets.

During the spring of 1945, the advance of Soviet General Fyodor Tolbukhin's 3rd Ukrainian Front through western Hungary gathered momentum on both sides of the Danube. [2]

On March 30, the advancing Soviets forced the Hron River, forced the Nitra River, and, after they took Sopron and Nagykanizsa, crossed the border between Hungary and Austria. [3] Tolbukhin was now ready to advance into Austria and take Vienna.

On April 2, 1945, Vienna Radio denied that the Austrian capital has been declared an open city. On the same day, Soviet troops approached Vienna from the south after they over-ran Wiener Neustadt, Eisenstadt, Neunkirchen, and Gloggnitz. [4] Baden and Bratislava were over-run on April 4.

After arriving in the Vienna area, the armies of the Soviet 3rd Ukrainian Front surrounded, besieged, and attacked the city. Involved in this action were the Soviet 4th Guards Tank Army, the Soviet 6th Guards Tank Army, the Soviet 9th Guards Tank Army, and the Soviet 46th Army. The only major German force facing the Soviet attackers was the German 6th SS Panzer Army (of course, as was typically the case this late in the war, the Germans also had whatever ad hoc forces could be scraped up locally).

The battle for the Austrian capital was characterized by fierce urban combat. The Soviets started with Vienna's southern suburbs, and the German defenders kept the Soviets out of the city’s southern suburbs until April 7. However, after successfully achieving several footholds in the southern suburbs, the Soviets then moved into the western suburbs of the city on April 8. The western suburbs were especially important to the Soviets because they included Vienna's main railway station. The Soviet success in the western suburbs was followed quickly by infiltration of the eastern and northern suburbs later the same day. Central Vienna was now cut off from the rest of Austria. By April 9, the Soviet troops managed to begin infiltrating the center of the city, but the senseless street fighting continued for several days more. Vienna finally fell when the last defenders in the city surrendered on April 13.

While the street fighting was still intensifying in the southern and western suburbs of Vienna on April 8, other troops of the 3rd Ukrainian Front by-passed Vienna altogether and advanced on Linz and Graz. [5]

By April 15, 1945, armies of the Soviet 3rd Ukrainian Front had managed to push even further into Austria. The completely exhausted remnants of what had been the 6th SS Panzer Army were forced to flee to the area between Vienna and Linz. Just behind the retreating Germans were elements of the Soviet 9th Guards Tank Army and the Soviet 46th Army. The Soviet 26th Army and the Soviet 27th Army advanced towards the area north of Graz just behind the retreating German 6th Army. The Soviet 57th Army and the Bulgarian 1st Army advanced towards the area south of Graz (near Maribor) just behind the retreating German 2nd Panzer Army. None of these German armies was in any shape to do more than temporarily stall the advancing Soviet forces.

On May 12, Sepp Dietrich was finally captured by American troops of the US Third Army. [6] He was captured four days after Victory in Europe Day on May 8.

On April 30, 1945, the following order of battle was recorded by the German Army High Command (OKW). They were on the run. From April 20 to May 2, OKW moved from Zossen (near Berlin) to Mürwik (part of Flensburg in north Germany). [7] This order of battle shows what remained of the German armies that fought in Hungary and Austria.

  • German 2nd Panzer Army - south of Graz (near Maribor)
    • LXVIIIrd Corps
      • 71st Infantry Division
      • 13th SS Alpine Division
      • 118t Rifle Division
    • XXIInd Mountain Corps
      • 297th Infantry Division
      • Hungarian Szentlaszlo Infantry Division
    • Ist Cavalry Corps
      • 23rd Panzer Division
      • 4th Cavalry Division
      • 3rd Cavalry Panzer Division
      • 16th SS Grenadiers Division

  1. ^ Page 199, The Decline an Fall of Nazi Germany and Imperial Japan, Hans Dollinger, Library of Congress Catalogue Card Number 67-27047
  2. ^ Page 449, Brassey's Dictionary of Battles, John Laffin, ISBN 0-7607-0767-7
  3. ^ Page 182, The Decline an Fall of Nazi Germany and Imperial Japan, Hans Dollinger, Library of Congress Catalogue Card Number 67-27047
  4. ^ Page 182, The Decline an Fall of Nazi Germany and Imperial Japan, Hans Dollinger, Library of Congress Catalogue Card Number 67-27047
  5. ^ Page 182, The Decline an Fall of Nazi Germany and Imperial Japan, Hans Dollinger, Library of Congress Catalogue Card Number 67-27047
  6. ^ Page 182, The Decline an Fall of Nazi Germany and Imperial Japan, Hans Dollinger, Library of Congress Catalogue Card Number 67-27047
  7. ^ Page 177, The Decline an Fall of Nazi Germany and Imperial Japan, Hans Dollinger, Library of Congress Catalogue Card Number 67-27047


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