First Army may refer to:

China

New 1st Army The New 1st Army () was a prominent military unit of the Chinese National Revolutionary Army. It was nicknamed the "First Army Under Heaven" during the Chinese Civil War and played a significant role during the Sino-Japanese War (1937-1945), wher ...

, Republic of China * First Field Army, a Chinese Communist Party unit in the Chinese Civil War *

1st Group Army The 72nd Group Army () is a Chinese People's Liberation Army Ground Force (PLAGF) formation subordinated to the Eastern Theater Command. Prior to April 2017, it was called 1st Group Army (Unit 83011 and 73011) with its headquarters in Huzhou, ...

, People's Republic of China

Germany

1st Army (German Empire) The 1st Army () was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 from the VIII Army Inspectorate. The army was dissolved on 17 September 1915, but reformed on 19 July 1916 during the ...

, a World War I field Army *

1st Army (Wehrmacht) The 1st Army () was a World War II field army. Operational history 1939 The 1st Army was activated on 26 August 1939, in Wehrkreis XII with General Erwin von Witzleben in command. Its primary mission was to take defensive positions and guard ...

, a World War II field army *

1st Panzer Army The 1st Panzer Army () was a German tank army that was a large armoured formation of the Wehrmacht during World War II. When originally formed on 1 March 1940, the predecessor of the 1st Panzer Army was named Panzer Group Kleist (''Panzergruppe ...

1st Parachute Army (Wehrmacht) The 1st Parachute Army () was a combined forces between airborne forces (Fallschirmjäger), armoured, and mechanized infantry unit of German Army, formed in September, 1944, comprising 30,000 men. History Its first commander was Colonel Genera ...

Russia and the Soviet Union

* First Western Army *

1st Army (Russian Empire) The 1st Army () was an army-level command of the Russian Imperial Army created during World War I. The First Army, commanded by General Paul von Rennenkampf, invaded East Prussia at the outbreak of war in 1914 along with the Second Army comma ...

1st Red Banner Army The 1st Red Banner Army () was a Red Army field army of World War II that served in the Soviet Far East. Before 1941 The 1st Army was created in July 1938 under the name of the 1st Coastal Army (or, depending on translation, 1st Maritime Army) i ...

* 1st Shock Army *

1st Guards Tank Army (Russia) The 1st Guards Tank Red Banner Army () is a tank army of the Russian Ground Forces (Military Unit Number 73621). The army traces its heritage back to the 1st Tank Army, formed twice in July 1942 and in January 1943 and converted into the 1st ...

Others

First Allied Airborne Army The First Allied Airborne Army was an Allies of World War II, Allied Military organization, formation formed on 2 August 1944 by the order of General of the Army (United States), General Dwight D. Eisenhower, the Supreme Headquarters Allied Exped ...

* First Australian Army *

1st Army (Austria-Hungary) The 1st Army () was a field army-level command in the ground forces of Austria-Hungary during World War I. The army fought in Galicia and Russian Poland in 1914–15 before being briefly dissolved in the summer of 1916. Shortly afterwards, it was ...

First Army (United Kingdom) The First Army was a formation of the British Army that existed during the First and Second World Wars. The First Army included Indian and Portuguese forces during the First World War and American and French units during the Second World Wa ...

First Army (Bulgaria) The Bulgarian First Army was a Bulgarian field army during the Balkan Wars, World War I and World War II. Balkan Wars First Balkan War Following the military reforms of 1907 the territory of the Bulgarian Kingdom was divided into three Army I ...

First Canadian Army The First Canadian Army () was a field army and a formation of the Canadian Army in World War II in which most Canadian elements serving in North-West Europe were assigned. It served on the Western Front from July 1944 until May 1945. It was Cana ...

1st Army (France) The First Army () was a field army of France that fought during World War I and World War II. It was also active during the Cold War. World War I On mobilization in August 1914, General Auguste Dubail was put in the charge of the First Army, ...

* First Army (Greece) *

First Army (Hungary) The Hungarian First Army was a field army of the Royal Hungarian Army that saw action during World War II. Commanders * Lieutenant-General Vilmos Nagy - March 1, 1940 – February 1, 1941 * Lieutenant-General István Schweitzer - February 1, ...

First Army (Italy) The 1st Army () was a Royal Italian Army field army, in World War I, facing Austro-Hungarian and German forces, and in World War II, fighting on the North African front. World War I During World War I, the 1st Army bore the responsibility of a ...

First Army (Japan) The was an army of the Imperial Japanese Army. It was raised and demobilized on three occasions. History The Japanese 1st Army was initially raised during the First Sino-Japanese War from 1 September 1894 – 28 May 1895 under the command of ...

First Army (Ottoman Empire) The First Army or First Guards Army of the Ottoman Empire ( Turkish: ''Birinci Ordu'' or ''Hassa Ordusu'') was one of the field armies of the Ottoman Army. It was formed in the middle 19th century during Ottoman military reforms. Formations ...

First Polish Army (1920) The First Army was a field army of the Polish Army that existed during the Polish–Soviet War. In March 1920 the Headquarters of the Army decided to disband the Front HQs active until then and reform them into separate armies. The largest of Pol ...

First Polish Army (1944–1945) The Polish First Army (, 1 AWP for short, also known as Berling's Army) was an army unit of the Polish Armed Forces in the East. It was formed in the Soviet Union in 1944, from the previously existing Polish I Corps in the Soviet Union, as part ...

First Army (Romania) The First Army was a field army of the Romanian Land Forces, active from 1916 to 2000. The successor of the First Army was the 1st Infantry Division (Romania), 1st Infantry Division. World War I The First Army took part in the Romania durin ...

First Army (Serbia) The Serbian First Army (Српска Прва Армија / Srpska Prva Armija) was a Serbian field army that fought during World War I. Order of battle August 1914 *First Army - staff in the village Rača **I Timok Infantry Division - Smeder ...

First Army (Turkey) The First Army of the Republic of Turkey () is one of the four field army, field armies of the Turkish Army. Its headquarters is located at Selimiye Barracks in Istanbul. It guards the sensitive borders of Turkey with Greece and Bulgaria, inclu ...

First Army (United Arab Republic) The First Field Army was a designation used during the period of the United Arab Republic. It was based in Syria. During the period of the United Arab Republic, the army based in Syria was designated the First, and the other armies in Egypt the Sec ...

First United States Army First Army is the largest OC/T organization in the U.S. Army, comprising two divisions, ten brigades, and more than 7,500 Soldiers. Its mission is to partner with the U.S. Army National Guard and U.S. Army Reserve to enable leaders and deli ...

1st Army (Kingdom of Yugoslavia) The 1st Army was a Royal Yugoslav Army formation commanded by ''Armijski đeneral'' Milan Rađenković during the German-led Axis invasion of the Kingdom of Yugoslavia in April 1941 during World War II. It consisted of one infantry division, o ...

1st Army (Yugoslav Partisans) The 1st Army of the Yugoslav Partisans was a Partisan army that operated in Yugoslavia during the last months of the Second World War. The Army was created on 1 January 1945, along with the 2nd and 3rd Armies, when Chief Commander Marshal Josip ...

China

Germany

Russia and the Soviet Union

Others

See also