Lisbon Regicide Lisbon Regicide The Lisbon Regicide () was the murder of King Carlos I of Portugal and the Algarves and his heir-apparent, Luís Filipe, Prince Royal of Portugal, by assassins sympathetic to Republican interests and aided by elements within the Portuguese Carbonária, disenchanted politicians and anti-monarchists. The events occurred on 1 February 1908 at the Praça do Comércio along the banks of the Tagus River in Lisbon, commonly referred to by its antiquated name "Terreiro do Paço". Some idealistic students, politicians and dissidents were inspired by the founding of the French Third Republic in 1870 and hoped that a similar regime
Regicide killed in battle by their subjects (for example Richard III), but none of these deaths are usually referred to as regicide. The word regicide seems to have come into popular use among foreign Catholics when Pope Sixtus V renewed the papal bull of excommunication against the "crowned regicide" Queen Elizabeth I, for—among other things—executing Mary, Queen of Scots, in 1587. Elizabeth had originally been excommunicated by Pope Pius V, in "Regnans in Excelsis", for converting England to Protestantism after the reign of Mary I of England. The defeat of the Spanish Armada and the "Protestant Wind" convinced most English people