Lisbon Regicide led the ceremonies by placing flowers on the site where the assassination had taken place and celebrated a mass in their memory at the Church of São Vicente de Fora (where they are buried). During the centenary year many artistic, cultural, and historic events took place in honor of King Carlos I and the royal family, and several books on the subject were published. 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
Regicide were disinterred and hanged, drawn and quartered in posthumous executions. In 1662, three more regicides John Okey, John Barkstead and Miles Corbet were also hanged, drawn and quartered. The officers of the court that tried Charles I, those who prosecuted him and those who signed his death warrant, have been known ever since the restoration as regicides. The Parliamentary Archives in the Palace of Westminster, London, holds the original death warrant of Charles I. Different cultures and authors in history have used different definitions for what constitute the crime of regicide, as such it is difficult to make a universally