The Battle of Tuyutí was an engagement during the Paraguayan War (1864–1870) between Paraguay and the Triple Alliance of Brazil, Argentina and Uruguay. It was fought on May 24, 1866, with the forces aligned as follows:
Abbreviations used
Military rank Gen = General BG = Brigadier general Col = Colonel Ltc = Lieutenant colonel
Paraguayan Army Commander Column Regiments and OthersGen. Vicente Barrios 1st Attacking Column 6 Infantry Regiments 2 Cavalry Regiments 4 rocket-launchers and several light artilleryBG Francisco Isidoro Resquín 2nd Attacking Column 2 Infantry Regiments 6 cavalry regiments 2 rocket-launchersCol. José E. Díaz 3rd Attacking Column 5 Infantry Regiments 2 Cavalry Regiments 4 light artilleryCol. Hilario Marcó 4th Attacking Column 4 Infantry Regiments 2 Cavalry RegimentsGen. José María Bruguez ReservesAt least 2 Cavalry Regiments
Imperial Brazilian Army Gen. Manuel Luís Osório Division Brigade Regiments and Others1st Division
Gen. Alexandre Argolo 8th Brigade
Col. José 8th Infantry Battalion 16th Infantry Battalion 10th Fatherland Volunteers Corps 46th Fatherland Volunteers Corps 10th Brigade
Col. Carlos Resín 2nd Infantry Battalion 13th Infantry Battalion 22nd Fatherland Volunteers Corps 26th Fatherland Volunteers Corps 40th Fatherland Volunteers Corps3rd Division
Gen. Antônio de Sampaio (k) 5th Brigade
Col. Belo 3rd Infantry Battalion 4th Infantry Battalion 6th Infantry Battalion 4th Fatherland Volunteers Corps 7th Brigade
Col. Fernando Machado de Sousa 1st Infantry Battalion 6th Fatherland Volunteers Corps 9th Fatherland Volunteers Corps 11th Fatherland Volunteers Corps4th Division
Gen. Guilherme Xavier 11th Brigade
Col. José Autó 10th Infantry Battalion 14th Infantry Battalion 20th Fatherland Volunteers Corps 31st Fatherland Volunteers Corps 13th Brigade
Ltc. C. Pereira 12th Infantry Battalion 1st Fatherland Volunteers Corps 19th Fatherland Volunteers Corps 24th Fatherland Volunteers Corps6th Division
Gen. Vitorino Carneiro 12th Brigade
Col. Joaquim Coelho Kelly 5th Infantry Battalion 7th Infantry Battalion 3rd Fatherland Volunteers Corps 16th Fatherland Volunteers Corps 14th Brigade
Ltc. Salustiano Jerônimo dos Reis 2nd Infantry Battalion 14th Fatherland Volunteers Corps 21st Fatherland Volunteers Corps 30th Fatherland Volunteers Corps2nd Cavalry Division
BG José Luís Mena Barreto 1st Brigade
Ltc. Augusto de Araujo Bastos 2nd Cavalry Regiment 3rd Cavalry Regiment I National Guard Cavalry Corps 4th Brigade
Ltc. Manoel de Oliveira Bueno 2nd Infantry Battalion II National Guard Cavalry Corps V National Guard Cavalry Corps VII National Guard Cavalry Corps5th Cavalry Division
Col. Tristão Pinto 3rd Brigade
Ltc. Julio Mesquita IV National Guard Cavalry Corps VI National Guard Cavalry Corps XI National Guard Cavalry Corps 15th Brigade
Col. Demetrio Ribeiro III Infantry Battalion IX National Guard Cavalry Corps X National Guard Cavalry CorpsVolunteer Cavalry Brigade
BG Antônio de Sousa Neto 3rd Brigade
Ltc. Julio Mesquita 1st Volunteer Cavalry 2nd Volunteer Cavalry 3rd Volunteer Cavalry 4th Volunteer Cavalry Artillery Train
Gen. Andrea N/A 17th Brigade
Col. Hilário Gurjão 1st Mounted Artillery Regiment 1st Foot Artillery Regiment 3rd Foot Artillery Regiment 19th Brigade
Col. Francisco Gomes de Freitas Engineer Battalion 7th Fatherland Volunteers Corps 42nd Fatherland Volunteers Corps
Argentine Army Gen. Bartolomé Mitre
I Army Corps Gen. Wenceslao Paunero Division Brigade Regiments and Others1st Division
Col. Ignacio Rivas 1st Brigade
Ltc. Manuel Rosetti 1st Infantry Battalion 5th Infantry Battalion 2nd Brigade
Ltc. Juan Bautista Charlone Legión Militár Infantry Battalion2nd Division
Col. José Arredondo 3rd Brigade
Ltc. Manuel Fraga 4th Infantry Battalion 6th Infantry Battalion 4th Brigade
Ltc. Orms 2nd Infantry Battalion 1st Legion of Volunteers3rd Division
Col. José Ramón Esquivel 5th Brigade
Col. José Ramón Esquivel National Guard Battalion Corrientes National Guard Battalion Rosario 6th Brigade
Ltc. Casanova National Guard Battalion Catamarca National Guard Battalion Tucumán4th Division
Col. Mateo Martinez 7th Brigade
Ltc. Adolfo Orma 3rd Infantry Battalion 2nd Legion of Volunteers 8th Brigade
Ltc. Benjamin Calvete National Guard Battalion Santa Fé National Guard Battalion SaltaAttached Units Cavalry Brigade
Col. José Maria Fernandes Mitre's Mounted Escort 1st Cavalry Regiment National Guard Cavalry Regiment of Santa Fé Artillery Brigade
Ltc. Leopoldo Nelson 2nd Horse Artillery Battery 3rd Horse Artillery Battery 4th Horse Artillery Battery
II Army Corps Gen. Juan Andrés Gelly y Obes Division Regiments and Others1st Division
Gen. Emilio Conesa 1st National Guard Infantry Battalion of Buenos Aires 2nd National Guard Infantry Battalion of Buenos Aires 3rd National Guard Infantry Battalion of Buenos Aires 4th National Guard Infantry Battalion of Buenos Aires 2nd Division
Col. José Bustillo 5th National Guard Infantry Battalion of Buenos Aires 6th National Guard Infantry Battalion of Buenos Aires 7th National Guard Infantry Battalion of Buenos Aires 8th National Guard Infantry Battalion of Buenos Aires 3rd Division
Col. Julio de Vedia National Guard Infantry Battalion "Córboda" National Guard Infantry Battalion "San Juán" National Guard Infantry Battalion "Segundo de Entre Ríos" National Guard Infantry Battalion "Mendoza" 4th Division
Col. Mateo Martinez 9th Infantry Battalion 12th Infantry Battalion National Guard Infantry Battalion "Tercero de Entre Ríos" National Guard Infantry Battalion "La Rioja" Cavalry Division
Col. Pedro Oyarzabal 1st National Guard Cavalry Regiment of Buenos Aires 2nd National Guard Cavalry Regiment of Buenos Aires Artillery Section
Col. Federico Mitre 1st Horse Artillery Battery
National Army of Uruguay Division Brigade Regiments and OthersUruguayan Division
Gen. Venancio Flores 1st Infantry Brigade
Col. León de Pallejas Infantry Battalion "Florida" Infantry Battalion "24 de Abril" 2nd Infantry Brigade
Ltc. Marcelino Castro Infantry Battalion "Voluntários de la Libertard" Infantry Battalion "Independencia" Cavalry Brigade
Col. de Castro 1st National Guard Cavalry Regiment 2nd National Guard Cavalry Regiment 4th National Guard Cavalry Regiment
References