Battle of Callao

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Battle of Callao
Part of the Chincha Islands War
Spanish ships exchange fire with Peruvian coastal defenses at the Battle of Callao .
DateMay 2, 1866
Result Inconclusive
Spain withdraws from South America
 Spain  Peru
Commanders and leaders
Spanish Empire Casto Méndez Núñez Peru Mariano Ignacio Prado
1 ironclad
5 frigates
1 corvette
2 small ironclads
3 gunboats
52 shore-based guns
3,000 infantry and cavalry
Casualties and losses
43 killed;
83 wounded;
68 lightly wounded;[1][2][3]
Sources vary:
180–200 killed and wounded[4][5]
83 [6]– 90 killed; 260 wounded[7]
+350 killed[8]
2,000 killed and wounded[9]

The Battle of Callao (in Spanish, called Combate del Dos de Mayo mainly in South America) occurred on May 2, 1866 between a Spanish fleet under the command of Admiral Casto Méndez Núñez and the fortified battery emplacements of the Peruvian port city of Callao during the Chincha Islands War. The Spanish fleet bombarded the port of Callao (or El Callao), and eventually withdrew without any notable damage to the city structures, according to the Peruvian and American sources; or after having silenced almost all the guns of the coastal defenses, according to the Spanish accounts and French observers. This proved to be the final battle of the war between Spanish and Peruvian forces.


President Juan Antonio Pezet assumed the presidency of Peru in April 1863, at a time when Spain was making efforts to recover some prestige by recovering (or humiliating) its lost colonies in America. Spain began its campaign by seizing the Chincha Islands, which were rich in guano, and demanding indemnity as recompense for the murder of two Spanish citizens in Lambayeque.[10][page needed]

Vacillating, President Pezet began removing vast quantities of Peru's guano deposits to give to Spain when Spanish ships threatened Callao and the neighboring coastline. Pezet believed that Peru’s naval forces were much too weak to challenge the Spanish fleet.[citation needed] In November 1865, in a moment of nationalism, Colonel Mariano Ignacio Prado seized power from Pezet after a coup, and organized an effective defense against Spanish aggression that culminated with the Battle of Callao.[citation needed]

After the indecisive Battle of Abtao in February 1866, Méndez Núñez decided to take punitive action against South American ports, his first target being the undefended Chilean port of Valparaíso. The neutral British and American naval commanders in Chilean waters were unable to prevent this action, and the Spanish bombarded the town and destroyed the Chilean merchant fleet.[11][page needed]

Méndez Núñez continued afterward for Spain by attacking a strong port and went with his fleet towards the well-defended Peruvian port of Callao.[citation needed] The battle, starting on May 2, was characterized by arduous, long-range combat with ironclads utilized by both sides. Observing the combat were American, British and French ships.[citation needed]


The Spaniards arrived at Callao, on April 25, with 7 warships and 7 auxiliary ships carrying 252 guns, most of them (126 pieces) 68-pounder cannons.[12] The Spanish ships included the ironclad Numancia and the steam frigates Reina Blanca, Resolución, Berenguela, Villa de Madrid, Almansa and the corvette Vencedora. A V-Shaped formation characterized the Spanish fleet, with the smaller ships on the back. Essentially, this was the most formidable fleet that had assembled up to that point in the waters of the American Pacific Ocean.[13]

Prior to the battle, Peruvian president Mariano Ignacio Prado rallied and mobilized the military and the townspeople against Spain. The strong forts and batteries of the stronghold at Callao, which had once repelled Sir Francis Drake and John Hawkins, were reinforced with 5 heavy British-made 22-ton Blakely rifles. Moreover, four Armstrong guns were placed in two armoured turrets, Junín and La Merced, both protected with a 10 cm thick iron belt. The Armstrong and the Blakely guns were the most potent cannons of the time, and they were a national pride for Peru.[14][page needed] In total, the Peruvians had 52 guns and 13 additional guns mounted on the warships Colon, Tumbes, and Sachaca. Also, Peru had two locally built ironclads: The Confederate-style casemated ram ironclad Loa and the monitor Victoria, as well as infantry and cavalry.[15]

The Spanish fleet, forming a V-shaped line of attack, enter into the bay at 10:00 hours, and formed two lines of battle: In the north, the ironclad Numancia and the frigates Almansa and Resolución, while the frigates Villa de Madrid, Berenguela and Reina Blanca moved south. The rest of the fleet, including the corvette Vencedora, remained back near the island of San Lorenzo. The Numancia, one of the largest ships to have ever existed at the time, went forward in order to begin the attack.[16][unreliable source?]

A Callao armored turret, armed with two 300-pound Armstrong guns

At 11:50 hours, the ironclad Numancia opened fire on the defenses. The Peruvian fort Santa Rosa fired back soon after. No shot hit the Spanish warships, so the guns had to be recalibrated; a loss of time that could have been avoided if the Peruvian artillery had begun firing over the Spanish ships while they were taking up positions. When the batteries resumed their fire, a shot hit the Numancia injuring the Spanish Admiral Méndez Nuñez.[17] The ship, however, suffered no damage thanks to its armor.[17][18] The Cañón del Pueblo, a 500-pound Blakely gun, became unusable as the heavy recoil made it derail.

The ironclad Numancia, flagship of the Spanish fleet.

The Spanish frigate Villa de Madrid, meantime, was hit by a Blakely 450-pound projectile, which inflicted 35 casualties and destroyed her boilers.[19] The ship had to be towed out of the battle by the corvette Vencedora, while she fired over 200 shots on the Peruvian forts during the maneuver.[19][20] The Berenguela, pierced side-to-side at the waterline by an Armstrong 300-pound projectile, was also forced to retreat. She had silenced all the Armstrong guns from the Junín armoured turret.[21] Also, the frigate Almansa was hit by another shot at 14:30, resulting in the deaths of 13 crewman and causing an explosion of her powder room, thus forcing her to retreat.[17] Half an hour later, having made the necessary repairs, she returned to her position and resumed the action against the Peruvians.[20][21]

By this time, there was heavy fire from both sides. A Spanish shot from the Blanca hit the armored turret La Merced, destroying it and killing or injuring 93 men, including Peruvian Secretary of Defense José Gálvez and colonels Cornelio Borda and Enrique Montes.[22] Chacabuco battery was also affected, losing several cannons and a great number of its volunteer crew, as well as Santa Rosa and Pinchicha forts.[22] In the first one was wounded Ship's captain Muñón, and the second one lost 2 cannons.[22] In adittion, Maipú and Independencia batteries had been completely silenced.[22] The Peruvian sustained then heavy casualties, as many of the 3,000 infantry and cavalry troops present during the battle had been entrenched outside the forts to prevent an alleged Spanish attempt of landing, suffering the gunfire of the Numancia, the Almansa, the Resolución and the Vencedora.[23][24]

At 16:00, having been repelled the small Peruvian fleet under Lizardo Montero, which approached the Spanish twice, only 12 or 14 of Santa Rosa fort guns responded yet to the Spanish fire.[25] One of their shots hit the Blanca, killing 8 men and injuring Captain Topete.[25] At 17:00, nevertheless, Santa Rosa's guns had reduced to three.[25][26] The badly wounded Admiral Méndez Núñez ordered then to his fleet suspend the fire.[23] The Spanish crews, having sustained heavy damage and it being impossible for them to fight any longer, retreated from the battlefield. The battle was finished. The badly battered Spanish ships remained for several days on San Lorenzo island, taking care of their wounded and their repairs.


On the Spanish side the bombardment was seen as a victory. According to Admiral Méndez Nuñez, almost all of the coastal batteries were silenced during the engagement and only three guns of Santa Rosa’s fort were still making fire when the Spanish fleet left the battlefield. He also reported that those last shots were fired without ammunition,[27] which was confirmed by the Captain of the French corvette Venus, who was present during the battle.[27] Shortly after, the French newspaper La Presse published a new portraying the bombardment as a Spanish victory:

On early June the news of the victory were celebrated in Spain with great festivities, whose benefits went to the widows and orphans of those who were killed in combat. Méndez Núñez was awarded with the Grand Cross of the Royal and Distinguished Order of Carlos III and was promoted to Lieutenant General. The commanding officers of the ships involved on the combat were also promoted and their crews received double pay. In honor to them, on 20 July 1866, before the Battle of Lissa, the Austrian Admiral Wilhelm von Tegetthoff harangued his crews shouting “Let's imitate the Spanish at Callao!”[29][30]

On the other hand, the Peruvians celebrated the battle as a victory, claiming that they had stopped the Spanish from trying to re-colonize South America.[31] In a private letter dated on May 3, 1866; an American eyewitness, T.H. Nelson, wrote:

"The damages caused to Callao are barely noticeable. The [Peruvian] batteries occupied the [Spanish] squad so much that there was no time to bombard the city." In fact, after the battle, the hyped up and surprising situation was so big that American and British troops witnessing the battle joined the cheers of "Viva el Perú!"[This quote needs a citation]

In 1870, former U.S. general Alvin Peterson Hovey, member of the United States legation to Perú, described the battle as inconclusive but glorious for both countries in a letter to the U.S. Secretary of State Hamilton Fish:


A couple of months after the battle, the famed ships of the War of the Pacific, Huascar and Independencia, were added to the Peruvian fleet. While the war still remained without a peace settlement, the Peruvians contemplated the idea of invading the Philippines to ward off the Spanish ships that were in the area. The nation hired Commodore John Randolph Tucker, who had outshone himself in the American Civil War fighting for the Confederate States of America. Nonetheless, various Peruvian officers felt insulted at such a decision since they felt that they had shown they were just as capable as any other officers to lead and win a naval battle. At the end, the idea was abandoned, but Tucker found another important job in the Peruvian Amazon.[33] This event, along with the fear of a Spanish attack from the Atlantic due the presence in South American waters of the Spanish frigates Blanca, Resolución, Villa de Madrid, Almansa, Concepción and Navas de Tolosa along with the capture on August 22 of the unassigned Chilean corvette Tornado by the Spanish frigate Gerona prevented the expedition against the Philippines.[34] The Spanish expedition in the Pacific officially ended in 1868,[35] but the peace was not signed until 1879.



  1. ^ Bleiberg, Germán (1986). Diccionario de historia de España (in Spanish). French & European Publications. p. 644. ISBN 978-0-7859-5724-9.
  2. ^ Rodríguez González 1999, p. 99.
  3. ^ del Campo Rodríguez 2003, p. 200.
  4. ^ "Washington News" (PDF). The New York Times. 23 May 1866. Retrieved 12 March 2010.
  5. ^ "The Dos de Mayo Combat"". Jeffrey Kraus Antique Photographs. Archived from the original on 8 May 2009. Retrieved 12 March 2010.
  6. ^ Valdivia, Juan Gualberto (1958). Las revoluciones de Arequipa: crónica (in Spanish). 5. Librería Editorial Ibero Americana. p. 226.
  7. ^ "Washington News" (PDF). The New York Times. 1 June 1866. Retrieved 12 March 2010.
  8. ^ García Martínez 1999, p. 177.
  9. ^ de Novo y Colson 1882, p. 461.
  10. ^ Rodríguez González 1999.
  11. ^ de Novo y Colson 1882.
  12. ^ García Martínez 1999, p. 195.
  13. ^ "Historia del Peru". Archived from the original on 28 February 2008. Retrieved 2008-03-05.
  14. ^ García Martínez 1999.
  15. ^ Cotos, Humberto. "El Combate del Callao". El Callao: Historia, Gente y Tradición (in Spanish). Archived from the original on 12 April 2008. Retrieved 5 March 2008.
  16. ^ "El Combate del Dos de Mayo". Todo Callao (in Spanish). GMC Web. Archived from the original on 14 March 2008. Retrieved 2008-03-05.
  17. ^ a b c de Novo y Colson 1882, p. 454.
  18. ^ Rodríguez González 1999, p. 94.
  19. ^ a b de Novo y Colson 1882, p. 453.
  20. ^ a b Rodríguez González 1999, p. 95.
  21. ^ a b de Novo y Colson 1882, p. 455.
  22. ^ a b c d de Novo y Colson 1882, p. 456.
  23. ^ a b de Novo y Colson 1882, p. 459.
  24. ^ Rodríguez González 1999, p. 97.
  25. ^ a b c de Novo y Colson 1882, p. 458.
  26. ^ Rodríguez González 1999, p. 98.
  27. ^ a b García Martínez 1999, p. 154.
  28. ^ "Dépêche Electriques". La Presse (in French). 14 June 1866. Retrieved 12 March 2010.
  29. ^ García Martínez 1999, p. 152.
  30. ^ Rodríguez González 1999, p. 106.
  31. ^ "Conmemoran 142 aniversario del combate del 2 de mayo de 1866 en el Callao" (in Spanish). Andina. 2008-05-02. Archived from the original on 2011-07-24. Retrieved 2008-03-05.
  32. ^ Papers Relating to the Foreign Relations of the United States. Washington, D.C.: United States Department of State. 1870. pp. 505–506.
  33. ^ "Combate Naval de 2 de Mayo". Histoia Naval (in Spanish). Peruvian Navy. Archived from the original on 29 February 2008. Retrieved 5 March 2008.
  34. ^ del Campo Rodríguez 2002, p. 402.
  35. ^ Basarde, Jorge (1961). Historia de la República del Perú (in Spanish). 2 (5th ed.). Ediciones "Historia". p. 1104.


Coordinates: 12°02′52″S 77°09′13″W / 12.0478°S 77.1536°W / -12.0478; -77.1536