1918 in Portugal

Events in the year 1918 in Portugal.

Incumbents

 * President: Sidónio Pais until 14 December; João do Canto e Castro
 * Prime Minister: Sidónio Bernardino Cardoso da Silva Pais; João do Canto e Castro; João Tamagnini de Sousa Barbosa

Events

 * 28 April – Portuguese general election, 1918.
 * 14 October – Action of 14 October 1918
 * The Portuguese Maximalist Federation founded
 * Establishment of the National Republican Party.

Arts and entertainment

 * The D. Diogo de Sousa Museum established

Sports

 * 19 March – C.D. Feirense founded

Deaths

 * 14 May – Joaquim Pimenta de Castro, military officer, mathematician and politician (born 1846)
 * 14 October - Carvalho Araújo
 * 14 December – Sidónio Pais, politician and diplomat (born 1872)