Huáscar is an ironclad turret ship owned by the Chilean Navy built in 1865 for the Peruvian government. It is named after the 16th-century Inca emperor, Huáscar. She was the flagship of the Peruvian Navy and participated in the Battle of Pacocha and the War of the Pacific of 1879–1883. At the Battle of Angamos, Huáscar, captained by renowned Peruvian naval officer Miguel Grau Seminario, was captured by the Chilean fleet and commissioned into the Chilean Navy.
The Battle of Angamos was a naval encounter of the War of the Pacific fought between the navies of Chile and Perú at Punta Angamos, on 8 October 1879. The battle was the culminating point of a naval campaign that lasted about five months in which the Chilean Navy had the sole mission of eliminating its Peruvian counterpart. In the struggle, two armored frigates, led by Commodore Galvarino Riveros Cárdenas and Navy Captain Juan José Latorre battered and later captured the Peruvian monitor Huáscar, under Rear Admiral Miguel Grau Seminario.
USS Oneota was a single-turreted Canonicus-class monitor built for the Union Navy during the American Civil War. Completed shortly after the end of the war, Oneota was laid up until sold to her builders in 1868, and then resold to the Peruvian Navy. Renamed BAP Manco Cápac, the ship participated in the defense of Arica during the War of the Pacific. When the town was taken by Chilean troops in 1880, she was scuttled to prevent her capture. Her wreck was rediscovered in 1960 and it has been heavily looted.
The Battle of Arica, also known as Assault and Capture of Cape Arica, was a battle in the War of the Pacific. It was fought on 7 June 1880, between the forces of Chile and Peru.
The Battle of Punta Gruesa was a naval action that took place on May 21, 1879, during the War of the Pacific between Chile and Peru. This may be labelled as the second part of the Naval Battle of Iquique, although it is described in many sources as a separate battle.
Juan José Latorre Benavente Chilean Vice Admiral, one of the principal actors of the War of the Pacific, and hero of the Battle of Angamos.
Juan Guillermo Moore Ruiz was a British Peruvian navy officer. He was killed during the Battle of Arica.
Carlos Arnaldo Condell De La Haza was a Chilean naval officer and hero of the Battle of Punta Gruesa during the start of the War of the Pacific.
The Naval campaign of the War of the Pacific or Saltpeter war, was a naval campaign that took place from 1879 to 1884, involving Peru, and Chile, undertaken in order to support land forces in the Atacama Desert. Although the conflict lasted until 1884, the primary naval engagements occurred between 1879 and 1880. Due to the rough terrain and few transport methods it was imperative to have control of the ports in order to have a good supply source in the region. It resulted in a successful campaign by Chile, and the success of their land campaigns eventually led to a Chilean victory, which cut off Bolivia's access to the coast.
The Battle of Iquique was a naval engagement on 21 May 1879, during the War of the Pacific, where a Chilean corvette commanded by Arturo Prat Chacón faced a Peruvian ironclad under Miguel Grau Seminario. The battle occurred off the port of Iquique, Peru, and ended with the sinking of the Chilean wooden corvette Esmeralda by the Peruvian ironclad Huáscar after four hours of combat, marking a victory for Peru.
Manuel Tomás Thomson Porto Mariño was a Chilean frigate captain of the Chilean Navy, who fought and died during the War of the Pacific. Thomson was given command of the ironclad vessel Huáscar following its capture by Chile during the Battle of Angamos. Thomson then took the ship to Arica in order to bombard and blockade the city. While at Arica, the Huáscar fought a duel with the Peruvian monitor Manco Cápac which is known as the Naval Battle of Arica. During this action Thomson was killed.
José María Sánchez Lagomarsino was a captain of the Peruvian Navy, who fought during the War of the Pacific.
Manuel Antonio Villavicencio Freyre was a prominent Peruvian Navy officer, who participated in the War of the Pacific. He also served as a Senator.
BAP Unión was a corvette of the Peruvian Navy, originally ordered by the government of the Confederate States of America during the American Civil War. Built in France it was bought by the Peruvian Navy and during its service participated in the Chincha Islands War and in the War of the Pacific in which it was scuttled following the Blockade of Callao to prevent it falling into Chilean hands.
The Raids of the Huáscar were a series of raids that occurred by the Peruvian ironclad Huáscar under the command of Miguel Grau Seminario during the War of the Pacific. The actions kept the Chilean government in check for nearly five months which ended after the Battle of Angamos.
The Second Battle of Iquique was a naval battle of the War of the Pacific that occurred on July 10, 1879. During the battle, the Huáscar faced the 2nd Chilean Naval Squadron which was blockading the port which lead to both forces to face each other.
The Second Battle of Antofagasta took place during the Naval campaign of the War of the Pacific between the Peruvian ironclad Huáscar against the Chilean corvettes Abtao and Magallanes as well as the land defenses at Antofagasta.
Carlos de los Heros Aguilar (1850-1878) was a Peruvian sailor and war hero of the War of the Pacific. He was known for his death during the Second Battle of Antofagasta and was the only Peruvian death in the battle.
Nicolás Federico Portal was a Peruvian captain and politician during the War of the Pacific. He is known for being the captain of the BAP Unión throughout the war.
The Rupture of the Blockade of Arica was a naval battle of the War of the Pacific during the Blockade of Arica. The rupture was carried out by Manuel Villavicencio who commanded the BAP Unión of the Peruvian Navy. The Unión broke the Chilean blockade of the port twice in less than 8 hours on March 17, 1880.
Chile 
Peru 
Manuel Thomson † 
Camilo Carrillo