Kingdom of Portugal
After the Portuguese Restoration War of 1640–1668, the kingdom passed to the House of Braganza and thereafter to the House of Braganza-Saxe-Coburg and Gotha. From this time, the influence of Portugal declined, but it remained a major power due to its most valuable colony, Brazil. After the independence of Brazil, Portugal sought to establish itself in Africa, but was ultimately forced to yield to the British interests, leading to the collapse of the monarchy in the 5 October 1910 revolution and the establishment of the First Portuguese Republic.
Portugal Day
Although Camões became a symbol for Portugal nationalism, his death coincided with the Portuguese succession crisis of 1580 that eventually resulted in Philip II of Spain claiming the Portuguese throne. Portugal was then ruled by three generations of Spanish kings during the Iberian Union (1580–1640). On 1 December 1640, the country regained its independence once again by expelling the Spanish during the Portuguese Restoration War and making John of Bragança, King John IV of Portugal.