Army Group Ostmark was a German army group formed very late in World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

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Army Group Ostmark was formed on 2 April 1945 from the remnants of Army Group South

Army Group South

Army Group South was the name of a number of German Army Groups during World War II.- Poland campaign :Germany used two army groups to invade Poland in 1939: Army Group North and Army Group South...

 (Heeresgruppe Süd). Army Group Ostmark was operational in Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 and Czechoslovakia

Czechoslovakia

Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

. Army Group Ostmark was one of the last major German military formations to surrender to the Allies. The only commander of this army group, Dr. Lothar Rendulic

Lothar Rendulic

Generaloberst Lothar Rendulic was an Austro-Hungarian and Austrian Army officer of Croatian origin who served as a German general during World War II. He commanded the 14. Infanterie-Division, 52. Infanterie-Division, XXXV Armeekorps, 2. Panzer-Armee, 20...

, surrendered it on 8 May 1945, during the Soviet Prague Offensive

Prague Offensive

The Prague Offensive was the last major Soviet operation of World War II in Europe. The offensive, and the battle for Prague, was fought on the Eastern Front from 6 May to 11 May 1945. This battle for the city is particularly noteworthy in that it ended after the Third Reich capitulated on 8 May...

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Commander

• Colonel-General (Generaloberst) Dr. Lothar Rendulic
  Lothar Rendulic
  Generaloberst Lothar Rendulic was an Austro-Hungarian and Austrian Army officer of Croatian origin who served as a German general during World War II. He commanded the 14. Infanterie-Division, 52. Infanterie-Division, XXXV Armeekorps, 2. Panzer-Armee, 20...
  
   (2 April 1945 - 8 May 1945)

See also

• Ostmark　(Austria)
• Army Group Courland
  Army Group Courland
  Army Group Courland was a German Army Group on the Eastern Front which was created from remnants of the Army Group North, isolated in the Courland peninsula by the advancing Soviet Army forces during the 1944 Baltic Offensive of the Second World War. The army group remained isolated until the end...
  
  
• Army Group Vistula
  Army Group Vistula
  Army Group Vistula was an Army Group of the Wehrmacht, formed on January 24, 1945. It was put together from elements of Army Group A , Army Group Centre , and a variety of new or ad-hoc formations...
  
  
• Army Group Centre
  Army Group Centre
  Army Group Centre was the name of two distinct German strategic army groups that fought on the Eastern Front in World War II. The first Army Group Centre was created on 22 June 1941, as one of three German Army formations assigned to the invasion of the Soviet Union...