Grand Marshal of Peru (Gran Mariscal del Peru), commonly referred as Marshal of Peru, is the highest rank in the Peruvian Army. Unlike the other ranks, it is conferred only to an officer who has been victorious at war.
List of Marshals of Peru
1823 - José Mariano de la Riva Agüero y Sánchez Boquete
1828 - Agustín Gamarra Messia
1834 - William Miller
1919 - Andrés Avelino Cáceres Dorregaray
1939 - Oscar R. Benavides Larrea
1946 - Eloy G. Ureta
1989 - Francisco Bolognesi Cervantes (posthumous)
References
Marshal of Peru Wikipedia(Text) CC BY-SA