From Wikipedia, the free encyclopedia Paraguayan War Total: 150,000β500,000 dead
The Paraguayan War (Spanish: Guerra del Paraguay, Portuguese: Guerra do Paraguai, Guarani: ParaguΓ‘i ΓorairΓ΅), also known as the War of the Triple Alliance (Spanish: Guerra de la Triple Alianza, Portuguese: Guerra da TrΓplice AlianΓ§a, Guarani: ΓorairΓ΅ Triple Alianza Rehegua), was a South American war that lasted from 1864 to 1870. It was fought between Paraguay and the Triple Alliance of Argentina, the Empire of Brazil, and Uruguay. It was the deadliest and bloodiest inter-state war in Latin American history.[6]