Sidónio Pais, Portuguese soldier and politician, 4th President of Portugal (d. 1918)

Sidónio Bernardino Cardoso da Silva Pais (pronounced [siˈdɔniu ˈpajʃ]; 1 May 1872 – 14 December 1918) was a Portuguese politician, military officer, and diplomat, who served as the fourth President of the First Portuguese Republic in 1918. One of the most divisive figures in modern Portuguese history, he was referred to by the writer Fernando Pessoa as the "President-King", a description that stuck in later years and symbolizes his regime.