9th Army (German Empire)

9. Armee 9th Army
Flag of the Staff of an Armee Oberkommando (1871–1918)
Active	19 September 1914 – 30 July 1916 6 September 1916 – 18 September 1918
Country	German Empire
Type	Army
Engagements	World War I Eastern Front Battle of the Vistula River Battle of Łódź (1914) Battle of Bolimów Romanian Campaign Battle of Transylvania Battle of Mărăşti Western Front Second Battle of the Marne
Insignia
Abbreviation	A.O.K. 9

The 9th Army (German: 9. Armee / Armeeoberkommando 9 / A.O.K. 9) was an army level command of the German Army in World War I. It was formed in September 1914 in Breslau to command troops on the southern sector of the Eastern Front. The army was dissolved on 30 July 1916, but reformed in Transylvania on 6 September 1916 for the Romanian Campaign. It was transferred to the Western Front on 19 June 1918 where it was finally dissolved on 18 September 1918.^[1]