Chaco War, Conflict in South America
The Chaco War was fought between Bolivia and Paraguay over control of the Chaco region.
This war took place from 1932 to 1935 and is considered the bloodiest military conflict in Latin America during the 20th century.
The Chaco War has deeply influenced the national identity and military culture of both Bolivia and Paraguay.
Key battle sites can be visited today, providing insight into the war's tactics and hardships.
Despite being rich in history, the Chaco region remains one of the least populated areas in South America.
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Part of
interwar period
GPS coordinates
-21.32722,-59.73667
Latest update
August 31, 2026 11:54
