1870 in Argentina
Events in the year 1870 in Argentina.
Incumbents
Governors
- Buenos Aires Province: Emilio de Castro y Rocha
- Cordoba: Félix de la Peña
- Mendoza Province: Nicolás Villanueva ; Arístides Villanueva
- Santa Fe Province: Mariano Cabal
Vice Governors
- Buenos Aires Province: vacant
Events
- 1 March - End of the Paraguayan War. Following this, Argentina seeks to enforce one of the secret clauses of the Treaty of the Triple Alliance, which would have permitted it to annex a large portion of the Gran Chaco region. The Brazilian government, wishing to maintain Paraguay as a buffer with Argentina, it rejects the Argentine proposal.
Births
- 21 February – Victor Mercante, educationist
Deaths
- 12 March – Pastor Obligado, lawyer, Governor of the secessionist State of Buenos Aires 1853–1858
- 11 April – Justo José de Urquiza, politician and general