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; Terena people (amerindians);
Commanders and leaders
Vicente Barrios; Francisco Isidoro Resquín;	Carlos Camisão †; Hermenegildo Portocarrero; Manuel Pedro Drago; Fonseca Galvão;
Strength
7,898 men	3,000 men

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).