Fourth Army or 4th Army may refer to:

Germany

4th Army (German Empire) The 4th Army () was an army level command of the German Army in World War I. It was formed on mobilisation in August 1914 from the VI Army Inspection. The army was disbanded in 1919 during demobilization after the war. History At the outset ...

, a World War I field Army *

4th Army (Wehrmacht) The 4th Army () was a field army of the Wehrmacht during World War II. Invasions of Poland and France The 4th Army was activated on 1 August 1939 with General Günther von Kluge in command. It took part in the Invasion of Poland of September 19 ...

, a World War II field army *

4th Panzer Army The 4th Panzer Army (), operating as Panzer Group 4 () from its formation on 15 February 1941 to 1 January 1942, was a German panzer formation during World War II. As a key armoured component of the Wehrmacht, the army took part in the crucial ...

Russia - Soviet Union

4th Army (Russian Empire) The Russian Fourth Army was a World War I Russian field army that fought on the Eastern Front (World War I), Eastern Front. Composition At the beginning of the war, the army consisted of: *Field Office (HQ 4th Army) (formed on August 2, 1914 ...

4th Army (RSFSR) The 4th Army was a field army of the Red Army during the Russian Civil War, which was formed 4 times between the beginning of March 1918 and March 1921. History First formation On March 17, 1918, the Second All-Ukrainian Congress of Soviets dec ...

4th Army (Soviet Union) The 4th Army was a Soviet field army of World War II that served on the Eastern front of World War II and in the Caucasus during the Cold War. It was disbanded after the fall of the Soviet Union, with its divisions being withdrawn to Russia and di ...

4th Air Army Fourth or the fourth may refer to: * the ordinal form of the number 4 * ''Fourth'' (album), by Soft Machine, 1971 * Fourth (angle), an ancient astronomical subdivision * Fourth (music), a musical interval * ''The Fourth'', a 1972 Soviet drama ...

, Soviet Union and Russia *

4th Guards Army The 4th Guards Army was an elite Guards field army of the Soviet Union during World War II and the early postwar era. History On April 16, 1943, the Supreme Command ordered the army to be established. On May 5, 1943, the army was formed on th ...

, Soviet Union * 4th Tank Army, Soviet Union

Others

4th Army (Austria-Hungary) The Austro-Hungarian Fourth Army was an Austro-Hungarian field army that fought during World War I. Actions The Austro-Hungarian Fourth Army was formed in August 1914 and deployed on the Eastern Front (World War I), Eastern Front. It suffered ...

Fourth Army (Bulgaria) The Bulgarian Fourth Army was a Bulgarian field army during the Balkan Wars, World War I, and World War II. The Balkan Wars (1912 - 13) Balkan War (1912 - 13) In anticipation of the Ottoman Empire counter-offensive, the Bulgarian command on ...

Fourth Army (National Revolutionary Army) The Fourth Army () was a combat command of the National Revolutionary Army involved in the Northern Expedition of the Chinese Civil War. The Fourth Army was commanded by CPC commander Ye Ting. Northern Expedition In September, 1925, Ye Ting was ap ...

, Republic of China *

New Fourth Army The New Fourth Army (N4A) () was a military unit nominally under the banner of the National Revolutionary Army (NRA) of the Republic of China, established in 1937 as part of the Second United Front against Japan. However, in practice, the New ...

, Republic of China *

Fourth Army (France) The Fourth Army (), nicknamed the "Army of Fontainebleau", was a military unit, unit of the French Army, which fought during World War I and World War II. It was one of five armies created and placed on a war footing by the ''Grand Quartier Gén ...

Fourth Army (Italy) The 4th Army () was a World War I and World War II field army of the Royal Italian Army. World War I During World War I, the 4th Army was positioned between the Asiago plateau and the Carnic Alps. During the Caporetto disaster, it had to withdraw ...

Fourth Army (Japan) The was an army of the Imperial Japanese Army based in Manchukuo from the Russo-Japanese War until the end of World War II. History Russo-Japanese War The Japanese 4th Army was initially raised on June 24, 1904, in the midst of the Russo-Japan ...

Fourth Army (Ottoman Empire) The Fourth Army of the Ottoman Empire ( Turkish: ''Dördüncü Ordu'') was one of the field armies of the Ottoman Army. It was formed in the middle nineteenth century, during Ottoman military reforms. The army did not survive the WWI battles i ...

Fourth Army (Romania) The Fourth Army (Armata a 4-a Română) was a field army (a military formation) of the Romanian Land Forces active from the 19th century to the 1990s. Its successor is the 4th Infantry Division (Romania), 4th Infantry Division. History World W ...

Fourth Army (United Kingdom) The Fourth Army was a field army that formed part of the British Expeditionary Force during the First World War. The Fourth Army was formed on 5 February 1916 under the command of General Sir Henry Rawlinson to carry out the main British contrib ...

Fourth United States Army Fourth United States Army was a field army of the United States Army between 1932 and 1991. History Interwar period Fourth Army (I) The Fourth Army was authorized by the National Defense Act of 1920 and was originally to be composed of Organ ...

4th Army (Kingdom of Yugoslavia) The 4th Army was a Royal Yugoslav Army formation mobilization, mobilised prior to the invasion of Yugoslavia, German-led Axis invasion of the Kingdom of Yugoslavia during World War II. It was drawn from the peacetime 4th Army District. When mobi ...

Germany

Russia - Soviet Union

Others

See also