1866 in Uruguay
# 1866 in Uruguay

Events in the year 1866 in Uruguay.

## Incumbents

* President: Venancio Flores

## Events

* May 2 - Paraguayan War: Battle of Estero Bellaco
* July 18 - Battle of Boquerón (1866)
* September 8 - establishment of Nuestra Señora del Carmen, Aguada, Montevideo
* September 22 - Battle of Curupayty

## Deaths

* July 18 - León de Pallejas, Spanish-born general, killed in action
