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Ecuadorian-Peruvian War of 1941 – Inside the Strange South American Conflict That Raged While Europe Burned

Posted on 27 June, 201926 October, 2026 by MilitaryHistoryNow.com
As World War Two neared its second anniversary, two counties on the sidelines, Ecuador and Peru, began their own conflict, that is until the United States called on both to break it up. Both factions went to war with European equipment, like this Czech LTL tank.
Soldiers in French uniforms, supported by Czech tanks, Italian artillery and American fighter planes doing battle against an enemy armed with German rifles and 19th Century European field guns. It happened in the jungles of South America in 1941. (Public Domain / Official Documentation of the Peruvian Army (Ejército del Perú).)

“The conflict, which had nothing to do with the war in Europe or the Pacific, was the result of a lasting border dispute between the neighbouring nations of Peru and Ecuador.”

ON JULY 5, 1941, the world’s gaze was fixed on the widening Second World War.

Hitler’s armies, already in the second week of Operation Barbarossa, were driving ever deeper into the Soviet Union. Meanwhile, America, not yet in the war, was drifting closer to its fateful and history-changing showdown with Japan. It was also the date that the German submarine U-96 torpedoed and sank the British troop transport Anselm off the Azores killing 254.

Amid all of these turmoils, the world scarcely noticed the start yet another war in a remote corner of the Americas.

The conflict, which had nothing to do with the war in Europe, was the result of a lasting border dispute between the neighbouring nations of Peru and Ecuador.

Both countries claimed a large salient of land in the interior of the content along Peru’s northern border and to the east of Ecuador.

As far back as the 19th Century, Peru had squabbled with both Ecuador and its northern neighbour Columbia over the vast region that sits just south of where all three countries’ borders meet. In fact, Peru had gone to war with Columbia as recently as 1932 over the territory and won. The treaty following that conflict awarded much of the disputed region to Peru, despite the fact that Ecuador still considered it as its own.

Tensions deepened the following decade. By the early 1940s, Peru moved a sizeable portion of its 68,000-man army up to the border with its estranged neighbour in expectation of a military confrontation.

For its part, Ecuador began mobilizing as well. Its entire cabinet resigned en masse to take up arms in the fight that was surly coming. [1]

On July 5, 1941, it finally arrived.

Peruvian troops on the move in 1941.
Peruvian troops on the move in 1941. Public Domain / Official Documentation of the Peruvian Army (Ejército del Perú).)
Accounts vary as to which of the two countries struck the first blow. Some sources suggest it was the smaller and weaker Ecuadoran army that touched off the conflict by sending troops across the border and seizing a Peruvian town. [2] But what is certain is that once the fighting was underway, Peru’s much larger and more professional military had little trouble brushing aside the tiny and lightly armed enemy defence forces. Within days, Peru’s military seized the Ecuadorian provinces of El Oro and Loja. [3]

Peru’s success was by no means unexpected. Its army not only outnumbered Ecuador’s by roughly four-to-one, but it also had more advanced military.

Ecuador’s land forces consisted of poorly equipped infantry, para-military police and irregulars armed with antique Mauser rifles and Czech light machine guns, all supported by a few batteries of 19th century horse-drawn artillery.

Peru on the other hand fielded an army that was much more advanced. It decked out its men in surplus French uniforms and helmets from the First World War. [4] And backing up its infantry were more than 100 late model Italian field guns along with French howitzers and a number of World War One vintage artillery pieces. Peru also acquired two-dozen state of the art Czech LTL light tanks, a variant of which was even used by the Germans in the early months of the Second World War. [5] Rounding out Peru’s order of battle was a battalion of highly trained marines and even paratroopers. These latter units would undertake the first-ever combat airdrop in a war in the Western Hemisphere. [6] Peru also drew upon seven American-made P-64 fighters, which it converted to light bombers. [7]

Peruvian paratroops made the first combat drop in the Western Hemisphere during the 1941 war.
Peruvian paratroops made the first combat drop in the Western Hemisphere during the 1941 war. (Public Domain / Peruvian Air Force Archives (Fuerza Aérea del Perú).)

After four weeks of fighting along the southwestern border zone, Peru had seized vast swaths of southern Ecuador, while the defenders’ ad hoc army with civilian refugees in tow largely melted away. Peru continued to push forward.

By the end of July, mounting diplomatic pressure from Washington along with appeals from neighbouring countries compelled Peru to end the fighting. Hostilities were suspended on the last day of the month. Roosevelt eventually brought both factions to the peace table. A treaty known as the Rio De Janeiro Protocol officially ended the war, although precise border line still remained ambiguous. As such, the 1941 war wouldn’t be the last time the neighbours would exchange blows. Two more conflicts would follow: one in 1981 and the other in 1995.

(PUBLISHED on SEPT. 26, 2012)

SOURCES

1. http://en.wikipedia.org/wiki/Ecuadorian%E2%80%93Peruvian_War

2. Ibid.

3. Ibid.

4. http://www.avalanchepress.com/Equator_pieces.php

5. Ibid

6. Ibid

7. http://en.wikipedia.org/wiki/North_American_P-64

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6 thoughts on “Ecuadorian-Peruvian War of 1941 – Inside the Strange South American Conflict That Raged While Europe Burned”

  1. Bruce says:
    26 September, 2012 at 9:39 am

    Fascinating. Never knew any of this!

    Reply
    1. NH Mallett says:
      26 September, 2012 at 4:59 pm

      Neither did I, until I started reading about it. Glad you liked the story.

      Reply
  2. Bruce says:
    26 September, 2012 at 9:42 am

    Reblogged this on Stuff That Interests Me and commented:
    Fascinating post. Note the Czech light tank. The Germans would use the same in the opening months of the war in Europe.

    Reply
  3. publicaconsilium says:
    10 December, 2012 at 9:35 pm

    Very good article! I’m Ecuadorian and it is rare to find foreign mentions of this conflict. I don’t want to sound biased but I think it would had been interesting to include the fact of the huge reduction of Ecuadorian territory since the creation of the colonial entity that preceded us, the Royal Audience and Presidency of Quito. Originally, we extended north including half modern Colombia, south including some Peruvian territories and east until the Atlantic Ocean.

    Reply
  4. Alejandro says:
    4 September, 2018 at 10:24 pm

    Congratulations on your note. I like to point that at least one of those czech tanks was restored by the original factory and driven by surviving tank crewmen from that war during the Peru independence day parade of year 2017.

    Reply
    1. German says:
      13 December, 2021 at 5:45 pm

      That Czhek Tank was the LPT1 (T38) (Light Peruvian Tank) and was restored not by the original factory but for peruvian military personnel, and since many years ago we invited for the military parade one or two soldiers whom participated at that war, and proudly they were passing on the tank.
      On May, 22, 2012 a tank LPT1 was a gift to the Czech Republic to conmemorate 90 years of good relations between our countries.
      Another issue is about the uniforms that someone mentioned, it was peruvian uniforms and french helmets (Adrian helmet, Model 34) showing at the front the simbol of the Sun
      (the Inca´s Sun) each National day anniversary, a Company dresed properly march as part of that parade.

      You can follow on: https://espanol.radio.cz/peru-dona-un-tanque-checo-al-museo-historico-militar-de-praga-8554155
      and:
      https://lanoticia.com.pe/declaran-patrimonio-cultural-cascos-de-guerra-del-ejercito/

      Reply

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