The allied troops unite under the command…
September 1865 CE
The allied troops unite under the command of Mitre in the camp of Concordia, in the Argentine province of Entre Ríos, with Field Marshal Manuel Luís Osório at the front of the Brazilian troops.
Some of the troops, commanded by Lieutenant General Manuel Marques de Sousa, baron of Porto Alegre, leave to reinforce Uruguaiana.