Mariano Emilio Bustamante y Mantilla (August 5, 1831 – June 7, 1880) was a Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

vian hero of the War of the Pacific

War of the Pacific

The War of the Pacific took place in western South America from 1879 through 1883. Chile fought against Bolivia and Peru. Despite cooperation among the three nations in the war against Spain, disputes soon arose over the mineral-rich Peruvian provinces of Tarapaca, Tacna, and Arica, and the...

 between Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

 and Peru, fighting in the battles of San Francisco

Battle of San Francisco

The Battle of San Francisco, also known as Battle of Dolores, fought on November 19, 1879, was the third battle of the Tarapacá Campaign in the War of the Pacific, after Pisagua and Germania...

, Tarapacá

Battle of Tarapacá

The Battle of Tarapacá occurred on November 27, 1879 during the Tarapacá Campaign of the War of the Pacific. A Chilean column of 2,300 soldiers led by General Luis Arteaga recklessly attacked an outnumbering Peruvian contingent of 4,500 troops at Tarapacá commanded by Gen Juan Buendía, resulting in...

 and Arica

Battle of Arica

The Battle of Arica, also known as Assault and Capture of Arica Cape, was a battle in the War of the Pacific. It was fought on 7 June 1880, between the forces of Chile and Peru....

, in which he was killed while combating.

He was born in the town of Tingo, near the city of Arequipa

Arequipa

Arequipa is the capital city of the Arequipa Region in southern Peru. With a population of 836,859 it is the second most populous city of the country...

, Peru. He joined the army to fight as a colonel during the war, he died on June 7, 1880, during the Battle of Arica

Battle of Arica

The Battle of Arica, also known as Assault and Capture of Arica Cape, was a battle in the War of the Pacific. It was fought on 7 June 1880, between the forces of Chile and Peru....

 along with 50% of the men that defended Arica

Arica

Arica is a city in northern Chile. "Arica" may also refer to:Places* Arica and Parinacota Region, Chile* Arica Airport , Chile* Arica, Amazonas, town in Colombia* Rio Aricá-açu, tributary of the Cuiabá River south of Cuiabá, BrazilOther...

. He was the Chief of Detail for Colonel Alfonso Ugarte

Alfonso Ugarte

Alfonso Ugarte was a Peruvian military commander during the War of the Pacific, between Peru and Bolivia against Chile. He ultimately rose to the rank of Colonel....

 under the garrison commanded by Colonel Francisco Bolognesi

Francisco Bolognesi

Francisco Bolognesi Cervantes was a Peruvian military hero. He is considered national hero in Peru and was declared patron of the Army of Peru by the government of Peru on January 2 of 1951.- Early life and education :...

.

He was one of the Peruvian officers who, on the eve of the battle, had gallantly rejected an offer to surrender the garrison to the Chilean army, and prompted Colonel Bolognesi to vow to the Chilean emissary that he would defend the garrison to the last cartridge.

A barracks in the Mariano Melgar District

Mariano Melgar District

Mariano Melgar District is one of the twenty-nine districts of the Arequipa Province in Peru.-External links: -References:...

, in the city of Arequipa, are named after him.