# Battle of Ytororó order of battle

The following units and commanders of the Brazilian and Paraguayan armies fought in the Battle of Ytororó on December 6, 1866.

## Brazilian Imperial Army

Marshal of the Army Luís Alves de Lima e Silva, Duke of Caxias

### I Corps

General Jacinto Machado Bittencourt
| Division | Brigade | Regiments and Others |
| 5th Division Colonel Betbeze Olivera | 4th Brigade Colonel Faria Rocha | 25th Corpos de Voluntários 29th Corpos de Voluntários 33rd Corpos de Voluntários |
| 5th Division Colonel Betbeze Olivera | 9th Brigade Colonel Lourenço de Araújo | 41st Corpos de Voluntários 42nd Corpos de Voluntários 46th Corpos de Voluntários 51st Corpos de Voluntários |
| 5th Division Colonel Betbeze Olivera | 10th Brigade Colonel Luis de Albuquerque Maranchao | 23rd Corpos de Voluntários 47th Corpos de Voluntários 50th Corpos de Voluntários |

### II Corps

General Alexandre Gomes de Argolo Ferrão Filho
| Division | Brigade | Regiments and Others |
| 1st Division General Antunes Gurjão | 1st Brigade Colonel Miranda Reis | 4th Line Battalion 12th Line Battalion 16th Line Battalion |
| 1st Division General Antunes Gurjão | 8th Brigade Colonel Hermes da Fonseca | 8th Line Battalion 10th Line Battalion 32nd Corpos de Voluntários 38th Corpos de Voluntários |
| 1st Division General Antunes Gurjão | 13th Brigade Colonel Barros de Vasconcelos | 24th Corpos de Voluntários 28th Corpos de Voluntários 51st Corpos de Voluntários |
| 2nd Division General Salustiano Jerônimo dos Reis | 2nd Brigade Colonel Rodrigues Seixas | 2nd Line Battalion 26th Corpos de Voluntários 40th Corpos de Voluntários |
| 2nd Division General Salustiano Jerônimo dos Reis | 5th Brigade Colonel Fernando Machado de Sousa | 1st Line Battalion 13th Line Battalion 34th Corpos de Voluntários 48th Corpos de Voluntários |
| Other | Cavalry Colonel João Niederauer Sobrinho | 6th Provisional Cavalry Corps 9th Provisional Cavalry Corps 13th Provisional Cavalry Corps 7th Provisional Cavalry Corps, one squadron 20th Provisional Cavalry Corps, one squadron |
| Other | Artillery Colonel Lobo d'Eça | 2nd Provisional Horse Artillery Regiment |

### III Corps

General Manuel Luís Osório
| Division | Brigade | Regiments and Others |
| 3rd Division General José Auto da Silva Guimarães | 3rd Brigade Colonel Pereira Carvalho | 3rd Line Battalion 9th Line Battalion 14th Line Battalion 35th Corpos de Voluntários |
| 3rd Division General José Auto da Silva Guimarães | 7th Brigade Colonel Frederico de Mesquita | 5th Line Battalion 39th Corpos de Voluntários 31st Corpos de Voluntários 55th Corpos de Voluntários |
| 4th Division General Herculano da Silva Pedra | 11th Brigade Colonel Olivera Bueno | 11th Line Battalion 27th Corpos de Voluntários 32nd Corpos de Voluntários 29th Corpos de Voluntários |
| 4th Division General Herculano da Silva Pedra | 12th Brigade Colonel Francisco Caldas | 36th Corpos de Voluntários 44th Corpos de Voluntários 49th Corpos de Voluntários |

## Paraguayan Army

| Division | Brigade | Regiments and Others |
| Division General Bernardino Caballero | Cavalry General Bernardino Caballero | 6th Cavalry Regiment 9th Cavalry Regiment 12th Cavalry Regiment 19th Cavalry Regiment 30th Cavalry Regiment |
| Division General Bernardino Caballero | Infantry Colonel Germán Serrano | 2nd Infantry Battalion 3rd Infantry Battalion 20th Infantry Battalion 36th Infantry Battalion 37th Infantry Battalion 40th Infantry Battalion |

## Sources

* Warner, William. "Paraguayan Thermopylae: The Battle of Itororo", in Strategy & Tactics, issue 271 (November/December 2011).