Abolition of monarchy
The monarchy of Portugal was also overthrown in 1910 (5 October), two years after the assassination of King Carlos I, ending the reign of Manuel II, who died in exile in England (1932), without issue.
Portugal
Portugal as a country was established during the Christian "Reconquista" against the Moors who had invaded the Iberian Peninsula in 711 AD. Despite attempts at independence since its foundation as a county in 868, only after the Battle of São Mamede in 1128, where Portuguese forces led by Afonso Henriques defeated forces led by his mother, Teresa, the County of Portugal affirmed its sovereignty and Afonso styled himself Prince of Portugal. He would later be proclaimed King of Portugal at the Battle of Ourique in 1139 and was recognised as such, by neighbouring kingdoms, on the Treaty of Zamora, in 1143.