Souper moved to Chile in 1843, to work on a hacienda. Subsequently, he purchased a place of his own, in
Talca Province. During the
War of the Pacific, Souper joined the Chilean Army a few days before the official declaration of war, on April 3, 1879, as a captain. He was then selected by Minister
Rafael Sotomayor, and was present in the
Naval Battle of Angamos. He became a member of the Army General Staff, and participated in the
Battle of Pisagua (November 2, 1879) and the
Battle of Dolores (November 19, 1879); helping capture the Peruvian province of
Tarapacá, which was effectively separated from the rest of the country. During the Chilean offensive against Tarapacá, he served under General
Manuel Baquedano as his
Aide de Camp. Under his command, he fought on the
Battle of Los Ángeles, the
Battle of Alto de la Alianza and the assault of
Arica. He was killed during the aftermath of the
Battle of San Juan and Chorrillos in 1881. == References ==