article: Antipope
links: Antipope Victor IV (1138) 687 Antipope Constantine II 22 September Antipope Theodorus 1330 Antipope Innocent III Antipope Paschal Hippolytus of Rome Antipope Paschal III May 12 5 July Saint Peter 1058 499 1138 29 August Lazio 1100 8 March 1130 217 20 September 29 December Antipope Christopher 1012 Antipope Alexander V Parma Kingdom of Naples 1111 1439 Antipope Eulalius 1378 May 3 Tuscany Republic of Venice Antipope Boniface VII Benedictines 1102 1178 Antipope Sylvester IV Papal States 1118 1180 1121 Crete 1084 Antipope Gregory VIII 18 November 367 Antipope Theodoric 844 April 7 501 1064 1168 1415 September 28 1159 September 20 1061 July 26 Antipope John VIII 27 December 1394 26 June May 17 5 April 14 October 1449 Antipope Victor IV (1159–1164) Antipope Laurentius 985 25 January 998 Antipope Anacletus II 3 April 1101 22 April 1072 Schism (religion) 1417 1164 29 May Antipope Clement III 1179 Antipope Novatian Antipope Felix V 8 September Naples 997 Roman Catholic Church 28 October Antipope Ursinus 1328 Antipope Clement VII Antipope John XVI September 16 6 August August 25 530 Antipope Anastasius III Vatican Antipope Nicholas V 7 September June 26 1059 Antipope Gregory VI 1080 Crema Antipope Dioscorus November 5 Holy Roman Empire 366 Antipope Honorius II Roman Empire 14 February Antipope Benedict XIII Antipope Felix II 498 22 November Antipope Benedict X 984 May 29 Antipope Philip Antipope Callistus III 418 Papal conclave Chambéry Duchy of Savoy 20 April Antipope John XXIII Antipope Albert 24 May 365 251 12 April 24 January 31 July 1410 Geneva 1409 29 September 1105