Events in the year 1855 in Portugal.
Incumbents Monarch: Peter V Prime Minister: João Carlos Saldanha de Oliveira Daun, 1st Duke of Saldanha
Arts and entertainment
O Pobre Rabequista (The Poor Rabeca Player), oil painting by José Rodrigues.
Sports Oporto Cricket and Lawn Tennis Club founded
Births
14 February – João Franco, politician (d. 1929). 13 March – António Osório Sarmento de Figueiredo Jr., nobleman, jurist, politician and magistrate. (d. 1935). 28 April José Malhoa, painter. 23 September – Abel Botelho, diplomat, writer and military officer (d. 1917).
Full date missing Amélia dos Santos Costa Cardia, physician (d. 1938). References