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
Killing of Pro-Biafra Protesters (2015–2016) circumstances." Responding to the agitations for the re-secession of Biafra occasioned by perceptions of marginalisation, a former Vice President of Nigeria, Atiku Abubakar, advocated for the restructuring of Nigeria to remove the impediments to the economic and political development of the country and put to bed cries of injustice. Killing of Pro-Biafra Protesters (2015–2016) The 2015–2016 Killing of Biafran Protesters refers to the killing of demonstrators demanding the restoration of the sovereignty of the Republic of Biafra by Nigerian security forces, especially the Nigerian army, across the southeastern parts of Nigeria. The demonstrations are spearheaded by several secessionist groups. In