Events in the year 1857 in Portugal.
Incumbents Monarch: Peter V Prime Minister: Nuno José Severo de Mendoça Rolim de Moura Barreto, 1st Duke of Loulé Births
6 March – Manuel Maria Coelho, military officer and politician (died 1943). 5 May – António Teixeira de Sousa, medical doctor and politician (d. 1917). 7 May – Fialho de Almeida, writer and journalist (d. 1911). References