Lieutenant field marshal

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Lieutenant field marshal, also frequently historically field marshal lieutenant (German: Feldmarschall-Leutnant, formerly Feldmarschallleutnant, historically also Feldmarschall-Lieutenant and, in official Imperial and Royal Austrian army documents from 1867 always Feldmarschalleutnant, abbreviated FML), was a senior army rank in certain European armies of the 17th to 20th centuries. It emerged as the rank of field marshal (German: Feldmarschall) came to be used for the highest army commander in the 17th century (having originally been the equivalent of a cavalry colonel^[1]). In German-speaking countries the commander-in-chief usually appointed an "under marshal" (Untermarschall) or "lieutenant field marshal" to support and represent the field marshal. Amongst his functions as the personal deputy to the field marshal, were the supervision of supply depots and routes, and inspection of the guards.