War of the Triple Alliance

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History & Society

War of the Triple Alliance

South American history

Also known as: Guerra da Tríplice Aliança, Guerra de la Triple Alianza, Paraguayan War

Written and fact-checked by The Editors of Encyclopaedia Britannica

Last Updated: Apr 5, 2024 • Article History

Category: History & Society

Also called:: Paraguayan War

Spanish:: Guerra de la Triple Alianza

Portuguese:: Guerra da Tríplice Aliança

Date:: 1864 - 1870

Participants:: Argentina; Brazil; Paraguay; Uruguay

Key People:: Luiz Alves de Lima e Silva, duke de Caxias; Francisco Solano López; Bartolomé Mitre; Pedro II

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War of the Triple Alliance, (1864/65–70), the bloodiest conflict in Latin American history, fought between Paraguay and the allied countries of Argentina, Brazil, and Uruguay. Paraguay had been involved in boundary and tariff disputes with its more powerful neighbours, Argentina and Brazil, for years. The Uruguayans had also struggled to achieve and maintain their independence from those same powers, especially from Argentina. In 1864 Brazil helped the leader of Uruguay’s Colorado Party to oust his Blanco Party opponent, whereupon the dictator of Paraguay, Francisco Solano López, believing that the regional balance of power was threatened, went to war with Brazil. ...(100 of 539 words)

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