The Roman army was among the first to feature a formal field army, in the sense of a very large, combined arms formation, namely the sacer comitatus, which may be translated literally as "sacred escort".
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Along the Segre the Nationalists deployed the Muñoz Grandes's Army of Urgel, the Garcia Valiño's Army of Maestrazgo and the Moscardo's Aragon Army; in the confluence of the Segre with the Ebro the Gambara's Italian Cuerpo Legionario Italiano of four divisions (55,000 men) and Solchaga's Army Corps of Navarra; and in the Ebro the Yagüe's Moroccan Corps.
Fourteenth United States Army was a fictitious/military deception field army, under the command of John P. Lucas, developed as a part of Operation Quicksilver as a part of the fictitious First United States Army Group, .
Gratian recalled his army and defeated the Lentienses near Argentaria (near modern-day Colmar, France.) After this campaign, Gratian, with part of his field army, went east by boat; the rest of his field army went east overland.
Emperor Francis II of Austria appointed Feldzeugmeister József Alvinczi to lead a reconstituted field army in the third attempt to relieve Mantua.
On July 1, 1974, he returned to duty with the German field army, assuming command of the 7th Panzer Division, stationed in Unna.
In December 1798 he was appointed by Lord Mornington, the governor-general, to command the field army which was intended to attack Tipu Sultan, and in a few months of campaigning Harris reduced the Kingdom of Mysore and stormed the great stronghold of Seringapatam, where the Tipu died in its defence.
The great military orders of the Knights Templar and Knights Hospitaller are eager for the fray, but others are concerned that there are not enough Christian knights in Outremer to form a field army while continuing to garrison the castles that protect the Kingdom.
Aleksandr Glebov, who assumed command of the artillery of the field army in 1760, soon issued instructions to use the new guns to support attacks with indirect fire, shooting over their own attacking troops, aiming to disrupt the deployment of enemy reserves.
In the Red Army’s endeavour against the KMT's Fifth Encirclement Campaign, Liu was demoted to Chief of Staff of the 5th Field Army following his dissidence with Bo and Braun.