Career
Today"s Lavalleja Department is named after him. He led the group called "Thirty-Three Orientals" during Uruguay"s Declaration of Independence from Brazil in 1825. His leadership of this group has taken on somewhat mythic proportions in popular Uruguayan historiography.
In protest to his loss, Lavalleja staged revolts.
He was part of a triumvirate chosen in 1852 to govern Uruguay, but died shortly after his accession to power. Lavalleja is remembered as a rebel who led the fight against Brazil.
Lavalleja married Ana Monterroso in 1817. She was sister of José Benito Monterroso, cleric and secretary of José Gervasio Artigas.