1811 in Portugal

Events in the year 1811 in Portugal.

Incumbents

 * Monarch: Mary I

Events

 * 11 March – Battle of Pombal
 * 12 March Battle of Redinha
 * 14 March – Battle of Casal Novo
 * 25 March – Battle of Campo Maior
 * 3 April – Battle of Sabugal
 * 14 April–10 May – Blockade of Almeida

Births

 * 27 January – João Crisóstomo de Abreu e Sousa, prime minister (died 1895)


 * 4 June – Antonia Ferreira, businesswoman, known for leadership in the cultivation of port wine and for winemaking innovations (d. 1896).