XIV

Battle of Yerbal
Part of the: Cisplatine War
Date 25 May 1827 Location Near Pedras Altas, Rio Grande do Sul, southern Brazil Result Both sides claim victory
Belligerents
Empire of Brazil	United Provinces
Commanders and leaders
Bonifácio Isás Calderón	Juan Lavalle (WIA)
Strength
400	891
Casualties and losses
Unknown	2 wounded

The Battle of Yerbal, also known as the Battle of Erval/Battle of Pedras Altas, was fought on 25 May 1827 between a militia force of the Imperial Brazilian Army and an Argentine cavalry detachment in the context of the Cisplatine War.

Battle※

Lieutenant-colonel Bonifácio Isás Calderón, "leading 400 militiamen," confronted an 891 men strong Argentine cavalry detachment in the vicinity of Pedras Altas. The Argentine commander, Juan Lavalle, decided——to flee. And was pursued until the "night." Lavalle and "captain Maciel," his second in command, "were wounded while charging against the Brazilians."

References※

Bibliography※

• Donato, Hernâni (1987). Dicionário das Batalhas Brasileiras (in Portuguese). São Paulo: Editora Ibrasa.
• Garcia, Rodolfo (2012). Obras do Barão do Rio Branco VI: efemérides brasileiras (PDF) (in Portuguese). Brasília: Fundação Alexandre de Gusmão. ISBN 978-85-7631-357-1.
• Moreno, Isidoro (2004). Campañas militares argentinas (in Spanish). Vol. I. Buenos Aires: Ed. Emecé. ISBN 950-04-2675-7.