4 Corps, 4th Corps, Fourth Corps, or IV Corps may refer to:

France

4th Army Corps (France) The 4th Army Corps of the French Army was reformed in 1873 at Le Mans under Général Édouard-Jean-Étienne Deligny, after being surrounded and taken prisoner in the siege of Metz (1870). World War I On mobilisation in 1914, it came under co ...

IV Cavalry Corps (Grande Armée) The IV Cavalry Corps of the ''Grande Armée'' was a French military unit that existed during the Napoleonic Wars. The corps was created in 1812 and rebuilt in 1813 and 1815. Emperor Napoleon I first organized the corps for the invasion of Russia. ...

, a cavalry unit of the Imperial French Army during the Napoleonic Wars *

IV Corps (Grande Armée) The IV Corps of the '' Grande Armée'' was a French military unit that existed during the Napoleonic Wars. It consisted of several different units and commanders. War of the Third Coalition The corps was formed in 1805, with Marshal Jean-de-Di ...

, a unit of the Imperial French Army during the Napoleonic Wars

Germany

* IV Cavalry Corps (German Empire), a unit of the Imperial German Army *

IV Corps (German Empire) The IV Army Corps / IV AK (german: IV. Armee-Korps) was a corps level command of the Prussian and then the Imperial German Armies from the 19th Century to World War I. It was established on 3 October 1815 as the General Command in the Duchy of ...

, a unit of the Imperial German Army *

IV Reserve Corps (German Empire) The IV Reserve Corps (german: IV. Reserve-Korps / IV RK) was a corps level command of the German Army in World War I. Formation IV Reserve Corps was formed on the outbreak of the war in August 1914 as part of the mobilisation of the Army. It wa ...

, a unit of the Imperial German Army *

IV Army Corps (Wehrmacht) IV Corps (IV. Armeekorps) was a corps level command of the German Army (Wehrmacht) before and during World War II. History The IV Army Corps was formed on 1 October 1934 in Wehrkreis IV (4th Military District) in Dresden by the expansion of the ...

, a unit of the German Army in World War II

Soviet Union

4th Airborne Corps (Soviet Union) The 4th Airborne Corps was an airborne corps of the Red Army in World War II. It fought in the Vyazma airborne operation, an unsuccessful landing during the Rzhev-Vyazma Offensive. History The corps was formed in the spring of 1941 in the West ...

* 4th Guards Army Corps * 4th Guards Cavalry Corps * 4th Cavalry Corps (Soviet Union) * 4th Guards Mechanized Corps *

4th Mechanized Corps (Soviet Union) The 4th Mechanized Corps was a formation in the Soviet Red Army during the Second World War. Operation Barbarossa Initially formed in January 1941, it was serving with the 6th Army, Kiev Special Military District under the command of General Ma ...

* 4th Rifle Corps * 4th Guards Tank Corps

United States

IV Corps (United States) IV Corps was a corps-sized formation of the United States Army that saw service in both World War I and World War II. World War I The corps was first organized on 20 June 1918, during World War I as part of the American Expeditionary Forces. Un ...

IV Corps (Union Army) There were two corps of the Union Army called IV Corps during the American Civil War. They were separate units, one serving with the Army of the Potomac and the Department of Virginia in the Eastern Theater, 1862–1863, the other with the Arm ...

Fourth Corps, Army of Northern Virginia The Fourth Corps was a military unit formed in October 1864 within the Army of Northern Virginia of the Confederate Army.Dupuy, p. 40. It fought for the Confederate States of America during the late stages of the American Civil War. The corps was ...

Fourth Army Corps (Spanish–American War) The Fourth Army Corps was a unit of the United States Army raised for the Spanish–American War. After the declaration of war, General Order 36 of May 7, 1898 approved the organization of eight "army corps," each of which was to consist of three ...

Others

IV Army Corps (Greece) The IV Army Corps "Thrace" ( el, Δ΄ Σώμα Στρατού «Θράκη», abbr. Δ΄ ΣΣ) is an army corps of the Hellenic Army. Established before the First World War, it served in all conflicts Greece participated in until the German invasi ...

IV Corps (Hungary) The IV Corps was a corps-level formation of the Royal Hungarian Army which saw extensive action on the Eastern Front during World War II. Formation The Corps was created on 1 October 1938 from mixed brigades, as a direct result of the then Pri ...

IV Corps (India) The IV Corps, or the Gajraj Corps, is a military field formation of the Indian Army, covering the states of Assam and western Arunachal Pradesh. History IV Corps under Lieutenant General NMS Irwin was deployed from the Middle East in January ...

IV Corps (North Korea) The IV Corps is a corps of the Korean People's Army of the Democratic People's Republic of Korea. It was established after the outbreak of the Korean War in June 1950. Rottman writes that in July 1951 it comprised the 4th and 5th Divisions, the ...

IV Corps (Ottoman Empire) The IV Corps of the Ottoman Empire ( Turkish: ''4 ncü Kolordu'' ''or'' ''Dördüncü Kolordu'') was one of the corps of the Ottoman Army. It was formed in the early 20th century during Ottoman military reforms. It was disbanded at the end of Worl ...

IV Corps (Pakistan) The IV Corps is a corps of Pakistan Army. Having established in 1965 after the Indo-Pakistani September War, it is currently stationed in Lahore, Punjab Province of Pakistan. The current corps commander is Lieutenant General Salman Fayyaz Ghanni. ...

* 4th Territorial Army Corps (Romania) *

IV Corps (South Vietnam) The IV Corps () was a corps of the Army of the Republic of Vietnam (ARVN), the army of the nation state of South Vietnam that existed from 1955 to 1975. It was one of four corps in the ARVN, and it oversaw the Mekong Delta region of the country. ...

IV Corps (United Kingdom) IV Corps was a corps-sized formation of the British Army, formed in both the First World War and the Second World War. During the First World War the corps served on the Western Front throughout its existence. During the Second World War it ser ...

4th Corps (Vietnam People's Army) 4th Corps ( vi, Quân đoàn 4) or Cửu Long Corps ( vi, Binh đoàn Cửu Long, literally: ''Corps of Cửu Long'' or "Corps of the Mekong") is one of the four regular army corps of the People's Army of Vietnam. First organized in 1974 during th ...

France

Germany

Soviet Union

United States

Others

See also