President: Bartolomé Mitre (until 11 October); Domingo Faustino Sarmiento (from 12 October)
Vice President: Marcos Paz (until 2 January); Adolfo Alsina (from 12 October)
2 January – The sudden death of Vice President Marcos Paz, in a cholera epidemic at Buenos Aires, results in a vacancy that is not filled for several months.
12 April – The electoral college chooses Domingo Sarmiento as its new president by 79 out of 131 votes, making this the most closely contested election during the period.
June – Henry G. Worthington becomes United States Ambassador to Argentina.
21 April – Rosendo Mendizabal, tango musician and composer (died 1913)
20 July – José Félix Uriburu, first de facto President of Argentina (died 1932)
4 October – Marcelo Torcuato de Alvear, politician and future President of Argentina (died 1942)
6 December – Lisandro de la Torre, politician (died 1939)
2 January – Marcos Paz, Vice President of Argentina (born 1813; cholera)
19 February – Venancio Flores, Uruguayan politician and general supported by Argentina (born 1808; assassinated)
23 October – Mariquita Sánchez, Buenos Aires salonnière (born 1786)
1868 in Argentina Wikipedia (Text) CC BY-SA
