I Corps, 1st Corps, or First Corps may refer to:

France

1st Army Corps (France) The 1st Army Corps (french: 1er Corps d'Armée) was first formed before World War I. During World War II it fought in the Battle for France, Campaign for France in 1940, on the Mediterranean islands of Corsica and Elba in 1943 - 1944, and in th ...

I Cavalry Corps (Grande Armée) The I Cavalry Corps of the ''Grande Armée'' was a French military unit that existed during the Napoleonic Wars. History For one month in 1806–1807, Emperor Napoleon, Napoleon Bonaparte split his Reserve Cavalry Corps (Grande Armée), Res ...

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

I Corps (Grande Armée) The I Corps of the '' Grande Armée'' was a French military unit that existed during the Napoleonic Wars. Though disbanded in 1814, following the Treaty of Fontainebleau, it was reformed in April 1815 following the return of Napoléon during t ...

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

Germany

I Cavalry Corps (German Empire) The I Cavalry Corps (german: Höhere Kavallerie-Kommando 1 / HKK 1 literally: Higher Cavalry Command 1) was a formation of the German Empire, German German Army (German Empire), Army in World War I. It was formed on the mobilization of the German A ...

, a unit of the Imperial German Army *

I Corps (German Empire) The I Army Corps / I AK (german: I. 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 with headquarters in Königsberg (now Kaliningrad, Russia) ...

, a unit of the Imperial German Army *

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

, a unit of the Imperial German Army *

I Royal Bavarian Corps The I Royal Bavarian Army Corps / I Bavarian AK (german: I. Königlich Bayerisches Armee-Korps) was a corps level command of the Royal Bavarian Army, part of the German Army, before and during World War I. As part of the 1868 army reform, the I ...

, a unit of the Bavarian Army and the Imperial German Army *

I Royal Bavarian Reserve Corps The I Royal Bavarian Reserve Corps / I Bavarian RK (german: I. Königlich Bayerisches Reserve-Korps) was a corps level command of the Royal Bavarian Army, part of the German Army, in World War I. Formation I Royal Bavarian Reserve Corps was form ...

, a unit of the Bavarian Army and the Imperial German Army *

I Army Corps (Wehrmacht) I Army Corps (I. Armeekorps) was a corps in the German Army during World War II. It was established by upgrading the former staff of the 1st Division of the Reichsheer at Konigsberg on 1 October 1934.Axis History Factbook Commanders ...

, a unit in World War II *

I SS Panzer Corps The I SS Panzer Corps (german: I.SS-Panzerkorps) was a German armoured corps of the Waffen-SS. It saw action on both the Western and Eastern Fronts during World War II. Formation and training The corps was raised on 26 July 1943 in Berlin-L ...

, a unit in World War II

India

I Corps (British India) The I Indian Corps was an army corps of the British Indian Army in the World War I. It was formed at the outbreak of war under the title Indian Corps from troops sent to the Western Front. The British Indian Army did not have a pre-war corps stru ...

I Corps (India) I Corps is a military field formation of the Indian Army. The Corps is headquartered at Mathura in Uttar Pradesh. It was raised on 1 April 1965. It was still being raised when it was despatched to the front in 1965. Raised as the First Strike Cor ...

Russia and Soviet Union

1st Army Corps (Russian Empire) The 1st Army Corps (russian: 1-й армейский корпус) was a formation in the Imperial Russian Army, formed in the 1870s. It took part in the Russo-Turkish War of 1877–78, and later, in August 1914, the 1st Army Corps fought as part ...

* 1st Guards Assault Aviation Corps * 1st Guards Mechanized Corps (Soviet Union) * 1st Airborne Corps (Soviet Union) * 1st Army Corps (Armed Forces of South Russia), a unit in the Russian Civil War *

1st Army Corps (Soviet Union) The 1st Army Corps was an army corps of the Soviet Armed Forces. It was formed in 1957 and finally deactivated in 1991. It draws its history from the 1st Rifle Corps, formed in 1922. Troops of the 1st Rifle Corps participated in the Winter War (Nove ...

* 1st Assault Aviation Corps * 1st Cavalry Corps (Russian Empire) *

1st Rifle Corps First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and reco ...

, Soviet Union

United Kingdom

I Corps (United Kingdom) I Corps ("First Corps") was an army corps in existence as an active formation in the British Army for most of the 80 years from its creation in the First World War until the end of the Cold War, longer than any other corps. It had a short-lived ...

I Airborne Corps (United Kingdom) The I Airborne Corps was an airborne forces corps raised by the British Army during the Second World War. Together with the U.S. XVIII Airborne Corps it was part of the First Allied Airborne Army. Formation Under the command of Lieutenant-Genera ...

United States

I Corps (United States) I Corps is a corps of the United States Army headquartered in Joint Base Lewis-McChord, Washington. It is a major formation of United States Army Pacific (USARPAC) and its current mission involves administrative oversight of Army units in the ...

I Amphibious Corps III Marine Expeditionary Force (III MEF) is a formation of the Marine Air-Ground Task Force of the United States Marine Corps. It is forward-deployed and able to rapidly conduct operations across the spectrum from humanitarian assistance and ...

I Armored Corps (United States) The I Armored Corps was a corps-sized formation of the United States Army that was active in World War II. The Corps made landfall in Morocco in French North Africa during Operation Torch in November 1942, the Allied invasion of French North Afr ...

I Corps (Union Army) I Corps (First Corps) was the designation of three different corps-sized units in the Union Army during the American Civil War. Separate formation called the I Corps served in the Army of the Ohio/Army of the Cumberland under Alexander M. McCook ...

First Corps, Army of Northern Virginia The First Corps, Army of Northern Virginia (or Longstreet's Corps) was a military unit fighting for the Confederate States of America in the American Civil War. It was formed in early 1861 and served until the spring of 1865, mostly in the Easte ...

First Corps, Army of Tennessee The First Corps, Army of Tennessee, commonly known as Polk's Corps, Cheatham's Corps, or Hardee's Corps, was a corps of the Army of Tennessee. Formation Units of the First Corps, Army of Tennessee, were drawn from the organization of Department ...

First Army Corps (Spanish-American War) First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and reco ...

I Field Force, Vietnam I Field Force, Vietnam was a corps-level command of the United States Army during the Vietnam War. Activated on 15 March 1966, it was the successor to Task Force Alpha, a provisional corps command created 1 August 1965 (renamed Field Force Vietnam ...

Others

I ANZAC Corps The I ANZAC Corps (First Anzac Corps) was a combined Australian and New Zealand army corps that served during World War I. It was formed in Egypt in February 1916 as part of the reorganisation and expansion of the Australian Imperial Force and ...

, Australia and New Zealand *

I Corps (Australia) I Corps was an Australian Army corps, one of three that were raised by the Army during World War II. It was the main Australian operational corps for much of the war. Various Australian and other Allied divisions came under its control at diffe ...

I Corps (Belgium) The 1st Corps of the Belgian Army (french: 1er Corps d'Armée belge), also known as 1 BE Corps, was a Belgian army corps active during World War I, World War II, and the Cold War. World War II During the Belgian Campaign of 1940, it initially he ...

* I Corps (Bosnia and Herzegovina) *

I Canadian Corps I Canadian Corps was one of the two corps fielded by the Canadian Army during the Second World War. History From December 24, 1940, until the formation of the First Canadian Army in April 1942, there was a single unnumbered Canadian Corps. I C ...

* I Corps (Czechoslovakia) *

Finnish I Corps (Winter War) The I Corps was a formation of the Finnish Army during the Winter War The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тск ...

I Army Corps (Greece) The I Army Corps ( el, Α' Σώμα Στρατού, abbr. Α' ΣΣ) was an army corps of the Hellenic Army, founded in December 1913. Originally based in Athens and covering southern Greece, since 1962 it was responsible for covering Greece's north ...

I Corps (North Korea) I Corps is a corps of the Korean People's Army Ground Force. It is headquartered at Hoeyang-up, Hoeyang County, History The Corps was activated in 1950 with a strength of 5,000 men. It took command of the North Korean divisions on the eastern se ...

I Corps (Ottoman Empire) The I Corps of the Ottoman Empire ( Turkish: ''1 nci Kolordu'' ''or'' ''Birinci Kolordu'') was one of the corps of the Ottoman Army consisting of ethnic Albanians. It was formed in the early 20th century during Ottoman military reforms Formation ...

I Corps (Pakistan) The I Corps, also known as I Strike Corps, of the Pakistan Army headquartered in Mangla, Azad Kashmir Territory of Pakistan. Known as I Strike Corps, it is one of two strike corps within its ten-manoeuvre Army corps. The I Strike Corps is one ...

* Polish I Corps (disambiguation), several units * 1st Territorial Army Corps (Romania) *

I Corps (South Korea) I Corps (South Korea) was created July 24, 1950, just before the Battle of Pusan Perimeter. I Corps consisted of the 8th Infantry Division and the Capital Division. During the battle of the Pusan Perimeter (July–September, 1950), its headquart ...

I Corps (South Vietnam) I 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 of the ARVN. This was the northernmost region of South Vietnam, bordering ...

1st Corps (Vietnam People's Army) 1st Corps ( vi, Quân đoàn 1) or Quyết thắng Corps ( vi, Binh đoàn Quyết thắng, literally: ''Determined Victory Corps'') is one of the four regular army corps of the People's Army of Vietnam (PAVN). First organised in 1973 during th ...

* 1st Corps (Yugoslav Partisans), during World War II

France

Germany

India

Russia and Soviet Union

United Kingdom

United States

Others

See also