The Battle of Pavón was a key battle of the Argentine civil wars.
It is fought in Pavón, Santa Fé Province, Argentina on September 17, 1861, between the Army of the State of Buenos Aires, commanded by Bartolomé Mitre, and the Army of Republic of the Argentine Confederatio,n commanded by Justo José de Urquiza.
The withdrawal of Urquiza leaves the field to Mitre.
It leads to the dissolution of the national government and the reincorporation of Buenos Aires Province into the Argentine Republic as a dominant member of the nation
Governor Bartolomé Mitre will act as interim President, ratified by the National Congress, and then as the first President of a unified Argentine Republic.
