An Imperial Army is an army of any empire. However, only some empires in history and in fiction have actually referred to their armies as "The Imperial Army". Former Imperial Armies In Europe The Army of the Roman Empire (until 284) The Army of the Western Roman Empire (until 476) The Army of the Eastern Roman Empire (until 640) The Army of the Holy Roman Empire (until 1806) The Army of the Holy Roman Emperor (until 1806) The Army of the German Empire (1871-1918) The Austro-Hungarian Army (1804-1918) The Imperial Russian Army (1721-1917) The French Imperial Army (1804-1814 and 1815) Elsewhere The Imperial Japanese Army The Imperial Chinese Army The Manchukuo Imperial Army The Imperial Iranian Army The Imperial Brazilian Army Fictional The Imperial Army (Star Wars) of the fictional Galactic Empire in Star Wars The Imperial Army of the Archadian Empire in the video game Final Fantasy XII The Imperial Army of the Imperium of Man in Warhammer 40000 See also Royal Army (disambiguation)