1841 in Bolivia

Events in the year 1841 in Bolivia.

Incumbents

 * President:
 * José Miguel de Velasco (until 10 June)
 * Sebastián Ágreda (provisional: 10 June 1841 – 9 July)
 * Mariano Enrique Calvo (acting: 9 July – 22 September)
 * Vacant (22–27 September)
 * José Ballivián (starting 27 September)

Ongoing events

 * Peruvian-Bolivian War (1841–1842)

June

 * 10 June – President José Miguel de Velasco is ousted in a coup d'état by Sebastián Ágreda.

July

 * 9 July – Ágreda delegates command to Mariano Enrique Calvo, pending the return of Andrés de Santa Cruz.

September

 * 22 September – Calvo is ousted in a coup d'état by José Ballivián. Bataille d'Ingavi 2.jpg]]
 * 27 September – José Ballivián is sworn-in to the presidency after five days of uncertainty.

October

 * 1 October – Peruvian-Bolivian War: Peruvian President Agustín Gamarra begin the march to Bolivia.
 * 2 October – Peruvian-Bolivian War: The Peruvian Army crosses the border onto Bolivian soil.
 * 15 October – Peruvian-Bolivian War: Peruvian forces occupy La Paz without a fight.
 * 29 October – Peruvian-Bolivian War – Battle of Mecapaca: Bolivian forces under Basilio Herrera attack those of Peru under Miguel de San Román but are repelled.

November

 * 18 November – Peruvian-Bolivian War – Battle of Ingavi: The three competing Bolivian governments unite under Ballivián to defeat Gamarra.

Deaths

 * 18 November – Agustín Gamarra, President of Peru (b. 1785)