1st Army (German Empire)

1. Armee 1st Army
Flag of the Staff of an Armee Oberkommando (1871–1918)
Active	2 August 1914 – 17 September 1915 19 July 1916 – 24 January 1919
Country	German Empire
Type	Army
Engagements	World War I Battle of the Frontiers Siege of Antwerp (part) Battle of Mons Battle of Le Cateau First Battle of the Marne First Battle of the Aisne Battle of Arras (1914) Battle of the Somme Second Battle of the Aisne
Insignia
Abbreviation	A.O.K. 1

The 1st Army (German: 1. Armee / Armeeoberkommando 1 / A.O.K. 1) 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.^[1] The army was dissolved on 17 September 1915, but reformed on 19 July 1916 during the Battle of the Somme.^[2] It was finally disbanded in 1919 during demobilization after the war.