✦ History

Chaco War

September 9, 1932 – June 12, 1935

Result Paraguayan victory

War between Bolivia and Paraguay over the Gran Chaco, the bloodiest South American war of the 20th century; Paraguay won most of the disputed region.

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Battles 1

September 7–29, 1932
Battle of Boquerón (1932) Paraguayan victory Gran Chaco Carlos Quintanilla, José Félix Estigarribia

Key commanders

Bolivia 5

Daniel Salamanca Urey President of Bolivia Enrique Peñaranda military commander José Luis Tejada Sorzano belligerent leader Hans Kundt military commander Carlos Quintanilla military commander

Paraguay 4

Eusebio Ayala President of Paraguay José Félix Estigarribia Commander of the Paraguayan army Rafael Franco military commander Luis Irrazábal military commander