Mato Grosso Campaign

Mato Grosso campaign
	Part of the Paraguayan War
	; Paraguayan fortification
Date	December 1864 – April 1868
Location	Mato Grosso province, present-day Mato Grosso do Sul, Brazil
Result	Initial Paraguayan conquest; Paraguayan withdrawal in 1868;
Belligerents
Paraguay Paraguayan Army; Paraguayan Navy;	Empire of Brazil Imperial Army; Imperial Navy; Terena people (amerindians);
Commanders and leaders
Francisco López; Vicente Barrios; Francisco Resquín; Manoel Urbieta; Blas Rojas; Hermógenes Cabral †;	Carlos Camisão #; H. Portocarrero; Rufino Galvão; Antônio Ribeiro †; Antônio Coelho; Manuel Drago; Fonseca Galvão; Manoel Souto; Antônio Santos; Antônio Costa; Dias da Silva; José Guimarães (POW);
Strength
7,898 men; 11 ships; 12 guns	3,800–3,900 men; 8 ships; 11 guns
Casualties and losses
432–489 total casualties; 1 ship burned	2,983 total casualties; 2 ships captured; 1 ship sunk

The Mato Grosso campaign was an early Paraguayan offensive in the Paraguayan War. Paraguay invaded the Brazilian province of Mato Grosso (now Mato Grosso do Sul). Paraguay captured the Brazilian province of Mato Grosso, but it was a pyrrhic victory, since they obtained little gain in it.