Year | From | To |
1980 | Mission "Sui Iuris" of Kalumburu, Australia
| Suppressed | Diocese of Broome, Australia
| Territory Added |
1982 | | | Patriarchal Exarchate of Bassorah e Golfo (Syrian), Iraq
| Erected |
1984 | | | Orden de los Hermanos de Belén
| Restored |
1988 | | | Fraternity of Saint Vincent Ferrer
| Approbation |
1988 | | | Servants of Jesus and Mary
| Founded |
1989 | | | Titular See of Bistue
| Established |
1989 | | | Titular See of Bossa
| Established |
1989 | | | Titular See of Buleliana
| Established |
1989 | | | Titular See of Canapium
| Established |
1989 | | | Titular See of Castellum Titulianum
| Established |
1989 | | | Titular See of Catrum
| Established |
1989 | | | Titular See of Cebarades
| Established |
1989 | | | Titular See of Enera
| Established |
1989 | | | Titular See of Macon
| Established |
1989 | | | Titular See of Mattiana
| Established |
1989 | | | Titular See of Paria in Proconsolare
| Established |
1989 | | | Titular See of Pia
| Established |
1989 | | | Titular See of Pocofeltus
| Established |
1989 | | | Titular See of Taddua
| Established |
1989 | | | Titular See of Tagase
| Established |
1989 | | | Titular See of Tamazeni
| Established |
1989 | | | Titular See of Vertara
| Established |
1989 | | | Titular See of Wiener Neustadt
| Established |
1989 | | | Titular See of Bulna
| Established |
1989 | | | Titular See of Buslacena
| Established |
1989 | | | Titular See of Cibaliana
| Established |
1989 | | | Titular See of Murcona
| Established |
1989 | | | Titular See of Musti in Numidia
| Established |
1989 | | | Titular See of Sitipa
| Established |
1989 | | | Titular See of Ausana
| Established |
1989 | | | Titular See of Ausuaga
| Established |
1989 | | | Titular See of Turuda
| Established |
1989 | | | [Patriotic Diocese of Shanba, China]
| Erected |
1989 | | | Franciscan Brothers of the Third Order Regular of Brooklyn
| Approbation |
1990 | | | Franciscan Friars of the Renewal
| Founded |
1990 | | | Institut du Christ Roi Souverain Prétre
| Founded |
1991 | Patriarchal Vicariate of Turkey (Syrian)
| Elevated | Patriarchal Exarchate of Turkey (Syrian)
| Elevated |
1991 | Patriarchal Vicariate of Jerusalem (Chaldean), Palestine
| Elevated | Patriarchal Exarchate of Jerusalem (Chaldean), Palestine
| Elevated |
1992 | Patriarchal Vicariate of Egypt and Sudan (Melkite Greek)
| Elevated | Patriarchal Exarchate of Egypt and Sudan (Melkite Greek)
| Elevated |
1992 | Patriarchal Vicariate of Jerusalem {Gerusalemme} (Melkite Greek), Palestine
| Elevated | Patriarchal Exarchate of Jerusalem {Gerusalemme} (Melkite Greek), Palestine
| Elevated |
1992 | | | Chemin Neuf Institute
| Founded |
1992 | Diocese of Tuy-Vigo, Spain
| Name Changed | Diocese of Tui-Vigo, Spain
| Name Changed |
1993 | | | Canons Regular of the Congregation of Saint Victor
| Approbation |
1993 | | | [Patriotic Diocese of Langfang, China]
| Erected |
1994 | | | Servants of Jesus and Mary
| Approbation |
1995 | | | Titular See of Alton
| Established |
1995 | | | Titular See of Grass Valley
| Established |
1995 | | | Titular See of Jamestown
| Established |
1995 | | | Titular See of Kearney
| Established |
1995 | | | Titular See of Lead
| Established |
1995 | | | Titular See of Leavenworth
| Established |
1995 | | | Titular See of Natchitoches
| Established |
1995 | | | Titular See of Nesqually
| Established |
1995 | | | Titular See of Quincy
| Established |
1995 | | | Titular See of Sault Sainte Marie in Michigan
| Established |
1995 | | | Titular See of Vincennes
| Established |
1995 | | | Titular See of Concordia
| Established |
1996 | | | Titular See of California
| Established |
1996 | | | Titular See of Gardar
| Established |
1996 | | | Titular See of Oregon City
| Established |
1996 | Delegation to Sierra Leone
| Elevated | Nunciature to Sierra Leone
| Elevated |
1996 | [Patriotic Diocese of Langfang, China]
| Territory Added |
1997 | | | Patriarchal Dependent Territory of Sudan (Syrian)
| Established |
1997 | Patriarchal Exarchate of Jerusalem (Chaldean), Palestine
| Elevated | Patriarchal Dependent Territory of Jerusalem (Chaldean), Palestine
| Elevated |
1998 | Patriarchal Exarchate of Egypt and Sudan (Melkite Greek)
| Elevated | Patriarchal Dependent Territory of Egypt and Sudan (Melkite Greek)
| Elevated |
1998 | Patriarchal Exarchate of Jerusalem {Gerusalemme} (Melkite Greek), Palestine
| Elevated | Patriarchal Dependent Territory of Jerusalem {Gerusalemme} (Melkite Greek), Palestine
| Elevated |
1999 | Delegation to Singapore
| Elevated | Nunciature to Singapore
| Elevated |
1999 | Pontifical Council for the Interpretation of Legislative Texts, Roman Curia
| Name Changed | Pontifical Council for Legislative Texts, Roman Curia
| Name Changed |
2002 | Nunciature to Yugoslavia
| Split | Nunciature to Serbia and Montenegro
| Split |
2004 | Cardinal Titular Church of San Teodoro
| Territory Added |
2005 | | | Clerical Society of Virgo Flos Carmeli
| Founded |
2009 | Nunciature to European Community
| Name Changed | Nunciature to European Union
| Name Changed |
2009 | | | Diocese of Ilorin, Nigeria (from Kaduna)
| Metropolitan Changed |
2011 | | | Delegation to Viêt Nam
| Established |
2012 | Patriarchal Dependent Territory of Egypt and Sudan (Melkite Greek)
| Name Changed | Patriarchal Dependent Territory of Egypt, Sudan, and South Sudan (Melkite Greek)
| Name Changed |
2012 | Patriarchal Dependent Territory of Sudan (Syrian)
| Name Changed | Patriarchal Dependent Territory of Sudan and South Sudan (Syrian)
| Name Changed |
2013 | Cardinal Titular Church of San Giovanni Battista Decollato
| Territory Added |
2016 | Prefecture for the Economic Affairs of the Holy See, Roman Curia
| Territory Added |
2016 | | | Diocese of Kingstown, Saint Vincent and Grenadines, Antilles (from Port of Spain)
| Metropolitan Changed |
2017 | | | Diocese of Gurué, Mozambique (from Beira to Nampula)
| Metropolitan Changed |
2018 | | | Territorial Prelature of Batanes, Philippines (from Nueva Segovia to Tuguegarao)
| Metropolitan Changed |
2019 | Titular See of Valpuesta
| Territory Added |
2020 | | | Eparchy of Hosur (Syro-Malabar), India (from Immediately Subject)
| Metropolitan Changed |
1st Century | | | Diocese of Roma {Rome}, Italy
| Erected |
1st Century | | | Diocese of Brescia, Italy
| Erected |
1st Century | | | Diocese of Catania, Italy
| Erected |
1st Century | | | Diocese of Cartagena (en España)
| Erected |
1st Century | | | Diocese of Cesena, Italy
| Erected |
1st Century | | | Diocese of Nepi, Italy
| Erected |
1st Century | | | Diocese of Fano, Italy
| Erected |
1st Century | | | Diocese of Firenze, Italy
| Erected |
1st Century | | | Diocese of Fiesole, Italy
| Erected |
1st Century | | | Diocese of Foligno, Italy
| Erected |
1st Century | | | Diocese of Guadix, Spain
| Erected |
1st Century | | | Diocese of Limoges, France
| Erected |
1st Century | | | Diocese of Lucca, Italy
| Erected |
1st Century | | | Diocese of Milano, Italy
| Erected |
1st Century | | | Diocese of Napoli, Italy
| Erected |
1st Century | | | Diocese of Palermo, Italy
| Erected |
1st Century | | | Diocese of Pavia, Italy
| Erected |
1st Century | | | Diocese of Pozzuoli, Italy
| Erected |
1st Century | | | Diocese of Ravenna, Italy
| Erected |
1st Century | | | Diocese of Reggio Calabria, Italy
| Erected |
1st Century | | | Diocese of Reggio Emilia, Italy
| Erected |
1st Century | | | Diocese of Benevento, Italy
| Erected |
1st Century | | | Diocese of Spoleto, Italy
| Erected |
1st Century | | | Diocese of Tarragona, Spain
| Erected |
1st Century | | | Diocese of Toledo, Spain
| Erected |
1st Century | | | Diocese of Trier, Germany
| Erected |
1st Century | | | Diocese of Agrigento (Girgenti), Italy
| Erected |
1st Century | | | Diocese of Aix, France
| Erected |
1st Century | | | Diocese of Terracina, Italy
| Erected |
1st Century | | | Diocese of Marseille, France
| Erected |
1st Century | | | Diocese of Sens, France
| Erected |
1st Century | | | Diocese of Malta
| Erected |
1st Century | | | Diocese of Antiochia {Antioch}, Syria
| Erected |
1st Century | | | Diocese of Alexandria {Alessandria}, Egypt
| Erected |
1st Century | | | Diocese of Byzantium, Turkey
| Erected |
1st Century | | | Archdiocese of Ephesus, Turkey
| Erected |
1st Century | | | Archdiocese of Hierapolis (Phrygia), Turkey
| Erected |
1st Century | | | Archdiocese of Edessa (in Osrhoëne), Turkey
| Erected |
2nd Century | | | Diocese of Avellino, Italy
| Erected |
2nd Century | | | Diocese of Bayeux, France
| Erected |
2nd Century | | | Diocese of Belluno, Italy
| Erected |
2nd Century | | | Diocese of Besançon, France
| Erected |
2nd Century | | | Diocese of Capua, Italy
| Erected |
2nd Century | | | Diocese of Forli, Italy
| Erected |
2nd Century | | | Diocese of Köln, Germany
| Erected |
2nd Century | | | Diocese of Lyon, France
| Erected |
2nd Century | | | Diocese of Lugo, Spain
| Erected |
2nd Century | | | Diocese of Nola, Italy
| Erected |
2nd Century | | | Diocese of Todi, Italy
| Erected |
2nd Century | | | Diocese of Perugia, Italy
| Erected |
2nd Century | | | Diocese of Rouen, France
| Erected |
2nd Century | | | Diocese of Siracusa, Italy
| Erected |
2nd Century | | | Diocese of Tivoli, Italy
| Erected |
2nd Century | | | Diocese of Tortona, Italy
| Erected |
2nd Century | | | Diocese of Trento, Italy
| Erected |
2nd Century | | | Diocese of Vicenza, Italy
| Erected |
2nd Century | | | Diocese of Priverno (or Piperno), Italy
| Erected |
3rd Century | | | Diocese of Amiens, France
| Erected |
3rd Century | | | Diocese of Ajaccio, France
| Erected |
3rd Century | | | Diocese of Angoulême, France
| Erected |
3rd Century | | | Diocese of Arezzo, Italy
| Erected |
3rd Century | | | Diocese of Assisi, Italy
| Erected |
3rd Century | | | Diocese of Asti, Italy
| Erected |
3rd Century | | | Diocese of Autun, France
| Erected |
3rd Century | | | Diocese of Bologna, Italy
| Erected |
3rd Century | | | Archdiocese of Bordeaux, France
| Erected |
3rd Century | | | Archdiocese of Bourges, France
| Erected |
3rd Century | | | Diocese of Camerino, Italy
| Erected |
3rd Century | | | Diocese of Cahors, France
| Erected |
3rd Century | | | Diocese of Clermont, France
| Erected |
3rd Century | | | Diocese of Córdoba, Spain
| Erected |
3rd Century | | | Diocese of Évreux, France
| Erected |
3rd Century | | | Diocese of Faenza, Italy
| Erected |
3rd Century | | | Diocese of Fermo, Italy
| Erected |
3rd Century | | | Suburbicarian See of Frascati, Italy
| Erected |
3rd Century | | | Diocese of Genova, Italy
| Erected |
3rd Century | | | Diocese of Ilurir (Eliberi, Elvira, Granada), Spain
| Erected |
3rd Century | Diocese of Lyon, France
| Elevated | Archdiocese of Lyon, France
| Elevated |
3rd Century | | | Diocese of Meaux, France
| Erected |
3rd Century | | | Diocese of Mende, France (or 4th Century)
| Erected |
3rd Century | | | Diocese of Metz, France
| Erected |
3rd Century | | | Diocese of Chiusi, Italy
| Erected |
3rd Century | | | Diocese of Maguelonne, France
| Erected |
3rd Century | | | Diocese of Nice, France
| Erected |
3rd Century | | | Diocese of Nocera de’ Pagani, Italy (or 4th Century)
| Erected |
3rd Century | | | Diocese of Orléans, France
| Erected |
3rd Century | | | Suburbicarian See of Ostia, Italy
| Erected |
3rd Century | | | Diocese of Padova {Padua}, Italy
| Erected |
3rd Century | | | Diocese of Palencia, Spain
| Erected |
3rd Century | | | Diocese of Paris, France
| Erected |
3rd Century | | | Diocese of Pesaro, Italy
| Erected |
3rd Century | | | Diocese of Pistoia, Italy
| Erected |
3rd Century | | | Diocese of Poitiers, France
| Erected |
3rd Century | | | Diocese of Poreč (Parenzo), Croatia
| Erected |
3rd Century | | | Diocese of Porto, Italy
| Erected |
3rd Century | | | Diocese of Rennes, France
| Erected |
3rd Century | | | Diocese of Rimini, Italy
| Erected |
3rd Century | | | Diocese of Sevilla, Spain
| Erected |
3rd Century | | | Diocese of Sées {Séez}, France
| Erected |
3rd Century | | | Diocese of Soissons, France
| Erected |
3rd Century | | | Diocese of Sora, Italy
| Erected |
3rd Century | | | Diocese of Salona, Croatia
| Erected |
3rd Century | | | Diocese of Toulouse, France
| Erected |
3rd Century | | | Diocese of Tours, France
| Erected |
3rd Century | | | Diocese of Vercelli, Italy
| Erected |
3rd Century | | | Diocese of Verona, Italy
| Erected |
3rd Century | | | Diocese of Ancona, Italy
| Erected |
3rd Century | | | Diocese of Toscanella (Tuscania), Italy
| Erected |
3rd Century | | | Diocese of Modena, Italy
| Erected |
3rd Century | | | Diocese of Siponto, Italy
| Erected |
3rd Century | | | Archdiocese of Damas (Melkite Greek), Syria
| Erected |
3rd Century | | | Cardinal Titular Church of Frascati
| Erected |
3rd Century | | | Cardinal Titular Church of Porto
| Erected |
3rd Century | | | Diocese of Albi, France
| Erected |
3rd Century | | | Diocese of Arles, France
| Erected |
3rd Century | | | Diocese of Auxerre, France
| Erected |
3rd Century | | | Diocese of Beauvais, France
| Erected |
3rd Century | | | Diocese of Chartres, France
| Erected |
3rd Century | | | Diocese of Die, France
| Erected |
3rd Century | | | Diocese of Langres, France
| Erected |
3rd Century | | | Diocese of Le Puy-en-Velay, France
| Erected |
3rd Century | | | Diocese of Narbonne, France
| Erected |
3rd Century | | | Diocese of Périgueux (Vesuna), France
| Erected |
3rd Century | | | Diocese of Reims, France
| Erected |
3rd Century | | | Diocese of Saintes, France
| Erected |
3rd Century | Diocese of Sens, France
| Elevated | Archdiocese of Sens, France
| Elevated |
3rd Century | | | Diocese of Vienne, France
| Erected |
3rd Century | | | Diocese of Petelia, Italy
| Erected |
3rd Century | | | Cardinal Titular Church of Ostia
| Erected |
3rd Century | | | Diocese of Tarsus, Turkey
| Erected |
4th Century | | | Diocese of Agen, France
| Erected |
4th Century | | | Diocese of Alba (Pompea), Italy
| Erected |
4th Century | | | Diocese of Acqui, Italy
| Erected |
4th Century | | | Diocese of Ávila, Spain
| Erected |
4th Century | | | Diocese of Ascoli Piceno, Italy
| Erected |
4th Century | | | Diocese of Barcelona, Spain
| Erected |
4th Century | | | Diocese of Bari, Italy
| Erected |
4th Century | | | Diocese of Bayonne, France ((or 6th Century))
| Erected |
4th Century | Diocese of Besançon, France
| Elevated | Archdiocese of Besançon, France
| Elevated |
4th Century | | | Diocese of Bergamo, Italy
| Erected |
4th Century | | | Diocese of Braga, Portugal
| Erected |
4th Century | | | Diocese of Brindisi, Italy
| Erected |
4th Century | | | Diocese of Cagliari, Italy
| Erected |
4th Century | | | Diocese of Squillace, Italy
| Erected |
4th Century | | | Diocese of Sarsina, Italy
| Erected |
4th Century | | | Diocese of Concordia (Sagittaria), Italy
| Erected |
4th Century | | | Diocese of Como, Italy
| Erected |
4th Century | | | Diocese of Cremona, Italy
| Erected |
4th Century | | | Diocese of Cagli, Italy
| Erected |
4th Century | | | Diocese of Digne, France
| Erected |
4th Century | | | Diocese of Évora, Portugal
| Erected |
4th Century | | | Diocese of Ferentino, Italy
| Erected |
4th Century | | | Diocese of Gerona, Spain
| Erected |
4th Century | | | Diocese of Piacenza, Italy
| Erected |
4th Century | | | Diocese of Grenoble, France
| Erected |
4th Century | | | Diocese of Imola, Italy
| Erected |
4th Century | | | Diocese of Genève {Geneva}, Switzerland
| Erected |
4th Century | | | Diocese of León, Spain
| Erected |
4th Century | | | Diocese of Lisboa, Portugal
| Erected |
4th Century | | | Diocese of Lodi, Italy
| Erected |
4th Century | | | Diocese of Lucera, Italy
| Erected |
4th Century | | | Diocese of Mainz, Germany
| Erected |
4th Century | Diocese of Milano, Italy
| Elevated | Archdiocese of Milano {Milan}, Italy
| Elevated |
4th Century | | | Diocese of Nantes, France
| Erected |
4th Century | | | Diocese of Novara, Italy
| Erected |
4th Century | | | Suburbicarian See of Palestrina, Italy
| Erected |
4th Century | | | Diocese of Parma, Italy
| Erected |
4th Century | | | Diocese of Pisa, Italy
| Erected |
4th Century | | | Diocese of Porto, Portugal
| Erected |
4th Century | Diocese of Sevilla, Spain
| Elevated | Archdiocese of Sevilla {Seville}, Spain
| Elevated |
4th Century | | | Suburbicarian See of Albano, Italy
| Erected |
4th Century | | | Archdiocese of Dardania, North Macedonia
| Erected |
4th Century | | | Diocese of Siena, Italy
| Erected |
4th Century | | | Diocese of Sion {Sitten}, Switzerland
| Erected |
4th Century | | | Diocese of Castellammare di Stabia, Italy
| Erected |
4th Century | | | Diocese of Speyer, Germany
| Erected |
4th Century | | | Diocese of Strasbourg, France
| Erected |
4th Century | | | Diocese of Narni, Italy
| Erected |
4th Century | | | Diocese of Civita (Tempio), Italy
| Erected |
4th Century | Diocese of Toledo, Spain
| Elevated | Archdiocese of Toledo, Spain
| Elevated |
4th Century | | | Diocese of Torino, Italy
| Erected |
4th Century | | | Diocese of Tortosa, Spain
| Erected |
4th Century | | | Diocese of Treviso, Italy
| Erected |
4th Century | | | Diocese of Troyes, France
| Erected |
4th Century | | | Diocese of Urgell, Spain
| Erected |
4th Century | | | Diocese of Valence, France
| Erected |
4th Century | | | Diocese of Acerenza, Italy
| Erected |
4th Century | | | Eparchy of Alep (Melkite Greek), Syria
| Erected |
4th Century | | | Diocese of Avignon, France
| Erected |
4th Century | | | Diocese of Sirmio (Srijem; Sirmium), Croatia
| Erected |
4th Century | | | Confederation of Canons Regular of St. Augustine
| Founded |
4th Century | | | Cardinal Titular Church of Albano
| Erected |
4th Century | | | Cardinal Titular Church of Palestrina
| Erected |
4th Century | | | Cardinal Titular Church of Santa Cecilia
| Established |
4th Century | | | Diocese of Antibes, France
| Erected |
4th Century | | | Diocese of Apt, France
| Erected |
4th Century | | | Diocese of Chalons-sur-Marne, France
| Erected |
4th Century | | | Diocese of Cimiez, France
| Erected |
4th Century | | | Diocese of (Saint-Lizier de) Couserans (or Conserans), France
| Erected |
4th Century | | | Diocese of Embrun, France
| Erected |
4th Century | | | Diocese of Fréjus, France
| Erected |
4th Century | | | Diocese of Lectoure, France
| Erected |
4th Century | | | Diocese of Nevers, France
| Erected |
4th Century | Diocese of Reims, France
| Elevated | Archdiocese of Reims, France
| Elevated |
4th Century | | | Diocese of Saint-Paul-Trois-Châteaux, France
| Erected |
4th Century | | | Diocese of Tarbes, France
| Erected |
4th Century | | | Diocese of Verdun, France
| Erected |
4th Century | | | Diocese of Vernay, France
| Erected |
4th Century | | | Diocese of Viviers (Aps), France
| Erected |
4th Century | | | Diocese of Aosta, Italy
| Erected |
4th Century | | | Diocese of London, England, Great Britain
| Erected |
4th Century | | | Archdiocese of Beirut {Bairut} (Melkite Greek), Lebanon
| Erected |
4th Century | | | Diocese of Amiterno, Italy
| Erected |
4th Century | | | Diocese of Atella, Italy
| Erected |
4th Century | | | Diocese of Eca, Italy
| Erected |
4th Century | | | Diocese of Helvetii / Aventicum [Avenches] / Vindonissa [Windisch], Switzerland
| Erected |
4th Century | | | Diocese of Ancyra (Phrygia), Turkey
| Erected |
4th Century | | | Apostolic Chancery, Roman Curia
| Established |
5th Century | | | Diocese of Connor, Ireland
| Erected |
5th Century | | | Diocese of Killaloe, Ireland
| Erected |
5th Century | | | Diocese of Kilmore, Ireland
| Erected |
5th Century | | | Diocese of Raphoe, Ireland
| Erected |
5th Century | | | Diocese of Alife, Italy
| Erected |
5th Century | | | Diocese of Bosa, Italy
| Erected |
5th Century | | | Diocese of Ardagh (and Clonmacnois), Ireland
| Erected |
5th Century | | | Diocese of Gualdo Tadino, Italy
| Erected |
5th Century | | | Diocese of Nocera Umbra, Italy
| Erected |
5th Century | | | Diocese of Calahorra, Spain
| Erected |
5th Century | | | Diocese of Cassano all’Jonio, Italy
| Erected |
5th Century | | | Diocese of Telese o Cerreto Sannita, Italy
| Erected |
5th Century | | | Diocese of Chur, Switzerland
| Erected |
5th Century | | | Diocese of Sutri, Italy
| Erected |
5th Century | | | Diocese of Conversano, Italy
| Erected |
5th Century | | | Diocese of Coutances, France
| Erected |
5th Century | | | Diocese of Fossombrone, Italy
| Erected |
5th Century | | | Diocese of Bovino, Italy
| Erected |
5th Century | | | Diocese of Gubbio, Italy
| Erected |
5th Century | | | Diocese of Isernia, Italy
| Erected |
5th Century | | | Diocese of Le Mans, France
| Erected |
5th Century | | | Diocese of Gerace, Italy
| Erected |
5th Century | | | Diocese of Lérida, Spain
| Erected |
5th Century | | | Diocese of Cingoli, Italy
| Erected |
5th Century | | | Diocese of Tolentino, Italy
| Erected |
5th Century | | | Diocese of Mallorca, Spain
| Erected |
5th Century | | | Diocese of Massa Marittima, Italy
| Erected |
5th Century | | | Diocese of Venosa, Italy
| Erected |
5th Century | | | Diocese of Menorca, Spain
| Erected |
5th Century | | | Diocese of Messina, Italy
| Erected |
5th Century | | | Diocese of Orense, Spain
| Erected |
5th Century | | | Diocese of Pamplona, Spain
| Erected |
5th Century | | | Diocese of Tarazona, Spain
| Erected |
5th Century | | | Diocese of Penne, Italy
| Erected |
5th Century | | | Diocese of Teramo, Italy
| Erected |
5th Century | | | Diocese of Potenza, Italy
| Erected |
5th Century | | | Diocese of Quimper, France
| Erected |
5th Century | Diocese of Ravenna, Italy
| Elevated | Archdiocese of Ravenna, Italy
| Elevated |
5th Century | | | Diocese of Rieti, Italy
| Erected |
5th Century | Diocese of Rouen, France
| Elevated | Archdiocese of Rouen, France (or 6th Century)
| Elevated |
5th Century | | | Diocese of Forum Novum, Italy
| Erected |
5th Century | | | Diocese of Saint-Brieuc, France
| Erected |
5th Century | | | Diocese of Torres, Italy
| Erected |
5th Century | | | Diocese of Aquino, Italy
| Erected |
5th Century | | | Diocese of Norcia, Italy
| Erected |
5th Century | | | Diocese of Sorrento, Italy
| Erected |
5th Century | Diocese of Salona, Croatia
| Elevated | Archdiocese of Salona, Croatia
| Elevated |
5th Century | | | Diocese of Valva, Italy
| Erected |
5th Century | | | Diocese of Calvi Risorta, Italy
| Erected |
5th Century | Diocese of Tarragona, Spain
| Elevated | Archdiocese of Tarragona, Spain
| Elevated |
5th Century | | | Diocese of Amelia, Italy
| Erected |
5th Century | | | Diocese of Larino, Italy
| Erected |
5th Century | Diocese of Tours, France
| Elevated | Archdiocese of Tours, France
| Elevated |
5th Century | | | Diocese of Segni, Italy
| Erected |
5th Century | | | Diocese of Velletri, Italy
| Erected |
5th Century | | | Diocese of Vannes, France
| Erected |
5th Century | | | Diocese of Vic, Spain
| Erected |
5th Century | | | Diocese of Volterra, Italy
| Erected |
5th Century | | | Diocese of Zaragoza, Spain
| Erected |
5th Century | | | Diocese of Ivrea, Italy
| Erected |
5th Century | Diocese of Aix, France
| Elevated | Archdiocese of Aix, France
| Elevated |
5th Century | | | Diocese of Albenga, Italy
| Erected |
5th Century | | | Diocese of Anagni, Italy
| Erected |
5th Century | | | Diocese of Sessa Aurunca, Italy
| Erected |
5th Century | | | Diocese of Matelica, Italy
| Erected |
5th Century | | | Archeparchy of Perat-Maishan (Chaldean), Iraq
| Erected |
5th Century | | | Cardinal Titular Church of Santi Giovanni e Paolo
| Established |
5th Century | | | Diocese of Acqs (Dax), France
| Erected |
5th Century | | | Diocese of Agde, France
| Erected |
5th Century | | | Diocese of Aire, France
| Erected |
5th Century | | | Diocese of Belley, France
| Erected |
5th Century | | | Diocese of (Saint-Bertrand de) Comminges, France
| Erected |
5th Century | | | Diocese of Gap, France
| Erected |
5th Century | | | Diocese of Laon, France
| Erected |
5th Century | | | Diocese of Mariana, France
| Erected |
5th Century | | | Diocese of Nebbio, France
| Erected |
5th Century | | | Diocese of Nîmes, France
| Erected |
5th Century | | | Diocese of Rodez, France
| Erected |
5th Century | | | Diocese of Tarentaise (Moûtiers-en-Tarentaise), France
| Erected |
5th Century | | | Diocese of Vence, France
| Erected |
5th Century | | | Cardinal Titular Church of San Vitale
| Established |
5th Century | | | Cardinal Titular Church of Sabina
| Erected |
5th Century | | | Diocese of Literno, Italy
| Erected |
5th Century | | | Diocese of Iria Flavia (Iria, Locus Sancti Iacobi), Spain (or 6th Century)
| Erected |
6th Century | | | Diocese of Augsburg, Germany
| Erected |
6th Century | Diocese of Bari, Italy
| Elevated | Archdiocese of Bari (-Canosa), Italy
| Elevated |
6th Century | | | Diocese of Arras, France
| Erected |
6th Century | | | Diocese of Kerry (o Ardfert) e Aghadoe, Ireland
| Erected |
6th Century | | | Diocese of Down, Ireland
| Erected |
6th Century | | | Diocese of Ruvo (Ruo)(di Puglia), Italy
| Erected |
6th Century | | | Diocese of Killala, Ireland
| Erected |
6th Century | | | Diocese of Feltre, Italy
| Erected |
6th Century | | | Diocese of Sabiona-Säben, Italy
| Erected |
6th Century | | | Diocese of Cambrai, France
| Erected |
6th Century | | | Diocese of Chieti, Italy
| Erected |
6th Century | | | Diocese of Coimbra, Portugal
| Erected |
6th Century | | | Diocese of Crotone (Cotrone), Italy
| Erected |
6th Century | | | Diocese of Comacchio, Italy
| Erected |
6th Century | | | Diocese of Guarda, Portugal
| Erected |
6th Century | | | Diocese of Jesi, Italy
| Erected |
6th Century | | | Diocese of Nicastro, Italy
| Erected |
6th Century | Diocese of Helvetii / Aventicum [Avenches] / Vindonissa [Windisch], Switzerland
| Territory Lost | Diocese of Konstanz {Constance}, Germany
Diocese of Lausanne, Switzerland
| Erected |
6th Century | | | Diocese of Nicotera, Italy
| Erected |
6th Century | | | Diocese of Gallipoli, Italy
| Erected |
6th Century | | | Diocese of Amalfi, Italy
| Erected |
6th Century | | | Diocese of Orvieto, Italy
| Erected |
6th Century | | | Diocese of Pula (Pola), Croatia
| Erected |
6th Century | | | Diocese of Santa Rufina, Italy
| Erected |
6th Century | | | Diocese of Cervia, Italy
| Erected |
6th Century | | | Diocese of Salerno, Italy
| Erected |
6th Century | | | Diocese of Salzburg, Austria
| Erected |
6th Century | | | Diocese of Segorbe, Spain
| Erected |
6th Century | | | Diocese of Segovia, Spain
| Erected |
6th Century | Diocese of Ostra, Italy
| Territory Lost | Diocese of Senigallia, Italy
| Erected |
6th Century | | | Diocese of Makarska, Croatia
| Erected |
6th Century | | | Diocese of Sulmona, Italy
| Erected |
6th Century | | | Diocese of Taranto, Italy
| Erected |
6th Century | | | Diocese of Teano, Italy
| Erected |
6th Century | | | Diocese of Tournai, Belgium
| Erected |
6th Century | | | Diocese of Trani, Italy
| Erected |
6th Century | | | Diocese of Trieste, Italy
| Erected |
6th Century | | | Diocese of Tude (Tuy), Spain
| Erected |
6th Century | | | Diocese of Urbino, Italy
| Erected |
6th Century | | | Diocese of Ceneda, Italy
| Erected |
6th Century | | | Territorial Abbey of Montecassino, Italy
| Erected |
6th Century | | | Diocese of Alatri, Italy
| Erected |
6th Century | | | Diocese of Lescar, France
| Erected |
6th Century | | | Diocese of Oloron (Oloron-Sainte-Marie), France
| Erected |
6th Century | | | Diocese of Bagnoregio (Bagnorea), Italy
| Erected |
6th Century | | | Diocese of Viterbo, Italy
| Erected |
6th Century | Eparchy of Alep (Melkite Greek), Syria
| Elevated | Archdiocese of Alep [Beroea, Halab] (Melkite Greek), Syria
| Elevated |
6th Century | | | Order of Saint Benedict
| Founded |
6th Century | | | Diocese of Aleria, France
| Erected |
6th Century | | | Diocese of Auch, France
| Erected |
6th Century | | | Diocese of Elne, France
| Erected |
6th Century | | | Diocese of Saint-Jean-de-Maurienne, France
| Erected |
6th Century | | | Diocese of Saint-Pol-de-Léon, France
| Erected |
6th Century | | | Diocese of Saint David’s, Wales, Great Britain
| Erected |
6th Century | | | Diocese of Asolo (Cittanova; Eraclea), Italy
| Erected |
6th Century | | | Diocese of Aleth, France
| Erected |
6th Century | Diocese of Tarsus, Turkey
| Elevated | Archdiocese of Tarsus, Turkey
| Elevated |
7th Century | | | Diocese of Ferns, Ireland
| Erected |
7th Century | | | Diocese of Cork, Ireland
| Erected |
7th Century | | | Diocese of Limerick, Ireland
| Erected |
7th Century | | | Diocese of Chioggia, Italy
| Erected |
7th Century | | | Diocese of Città di Castello, Italy
| Erected |
7th Century | | | Diocese of Orte, Italy
| Erected |
7th Century | | | Diocese of Bisignano, Italy (or 8th Century)
| Erected |
7th Century | | | Diocese of Cosenza, Italy
| Erected |
7th Century | | | Diocese of Santa Severina, Italy
| Erected |
7th Century | | | Diocese of Jaén, Spain
| Erected |
7th Century | | | Diocese of Osimo, Italy
| Erected |
7th Century | | | Diocese of Tropea, Italy
| Erected |
7th Century | | | Diocese of Otranto, Italy
| Erected |
7th Century | | | Diocese of Sovana (Soana), Italy
| Erected |
7th Century | | | Diocese of Bova, Italy
| Erected |
7th Century | | | Diocese of Rossano, Italy
| Erected |
7th Century | | | Diocese of Ventimiglia, Italy
| Erected |
7th Century | | | Diocese of Vrhbosna, Bosnia and Herzegovina
| Erected |
7th Century | | | Diocese of Adria, Italy
| Erected |
7th Century | | | Diocese of Ales (Uselli), Italy
| Erected |
7th Century | | | Diocese of Polignano (Polinianum), Italy
| Erected |
7th Century | | | Diocese of Vico Equense, Italy
| Erected |
7th Century | | | Diocese of Thérouanne, France
| Erected |
7th Century | | | Diocese of Selsey, England, Great Britain
| Erected |
7th Century | | | Diocese of Winchester, England, Great Britain
| Erected |
7th Century | | | Diocese of Bisarcio, Italy
| Erected |
7th Century | Archdiocese of Edessa (in Osrhoëne), Turkey
| Territory Added |
8th Century | | | Diocese of Gallese, Italy
| Erected |
8th Century | | | Diocese of Veroli, Italy
| Erected |
8th Century | Diocese of Köln, Germany
| Elevated | Archdiocese of Köln {Cologne}, Germany
| Elevated |
8th Century | | | Diocese of Conza, Italy
| Erected |
8th Century | | | Diocese of Bisceglie, Italy
| Erected |
8th Century | Diocese of Trier, Germany
| Elevated | Archdiocese of Trier, Germany
| Elevated |
8th Century | | | Diocese of Sezze, Italy
| Erected |
9th Century | | | Diocese of Caiazzo, Italy
| Erected |
9th Century | | | Diocese of Bar, Montenegro
| Erected |
9th Century | | | Diocese of Marsi, Italy
| Erected |
9th Century | | | Diocese of Bitonto, Italy
| Erected |
9th Century | | | Diocese of Beograd {Belgrade}, Serbia
| Erected |
9th Century | | | Diocese of Tinos, Greece
| Erected |
9th Century | | | Diocese of Pult (Pulati), Albania
| Erected |
9th Century | | | Diocese of Montefeltro, Italy
| Erected |
9th Century | | | Diocese of Gravina (di Puglia), Italy
| Erected |
9th Century | | | Diocese of Matera, Italy
| Erected |
9th Century | | | Diocese of Minervino Murge, Italy
| Erected |
9th Century | | | Diocese of Equilio (Jesolo), Italy
| Erected |
9th Century | | | Diocese of Novigrad (Cittanova), Croatia
| Erected |
9th Century | | | Diocese of Konavlje, Albania
| Erected |
9th Century | Diocese of Formia, Italy
| Name Changed | Diocese of Formia-Gaeta (Caieta), Italy
| Name Changed |
9th Century | | | Diocese of Capodistria (Capo d’Istria)(Koper), Slovenia
| Erected |
10th Century | Diocese of Sabiona-Säben, Italy
| Name Changed | Diocese of Brixen {Bressanone}, Italy
| Name Changed |
10th Century | Diocese of Brindisi, Italy
| Elevated | Archdiocese of Brindisi, Italy
| Elevated |
10th Century | | | Diocese of Cashel, Ireland
| Erected |
10th Century | | | Diocese of Eger, Hungary
| Erected |
10th Century | Diocese of Nitra, Slovakia
Diocese of Passau, Germany
Diocese of Regensburg, Germany
| Territory Lost | Archdiocese of Esztergom, Hungary
| Erected |
10th Century | | | Diocese of Kotor (Cattaro), Montenegro
| Erected |
10th Century | Diocese of Napoli, Italy
| Elevated | Archdiocese of Napoli {Naples}, Italy
| Elevated |
10th Century | | | Diocese of Płock, Poland
| Erected |
10th Century | Diocese of Salerno, Italy
| Elevated | Archdiocese of Salerno, Italy
| Elevated |
10th Century | | | Diocese of Salamanca, Spain
| Restored |
10th Century | | | Diocese of Savona, Italy
| Erected |
10th Century | | | Diocese of Prizren, Serbia
| Erected |
10th Century | Diocese of Taranto, Italy
| Elevated | Archdiocese of Taranto, Italy
| Elevated |
10th Century | | | Diocese of Termoli, Italy
| Erected |
10th Century | | | Diocese of Trivento, Italy
| Erected |
10th Century | | | Diocese of Zamora, Spain
| Erected |
10th Century | | | Diocese of Trebinje, Bosnia and Herzegovina
| Erected |
10th Century | | | Diocese of Leuca, Italy
| Erected |
10th Century | | | Diocese of Amantea, Italy
| Erected |
10th Century | Diocese of Egara, Spain
| Suppressed | Diocese of Barcelona, Spain
| Territory Added |
11th Century | | | Diocese of Acerra, Italy
| Erected |
11th Century | | | Diocese of Ariano, Italy
| Erected |
11th Century | | | Diocese of Lacedonia, Italy
| Erected |
11th Century | | | Diocese of Ávila, Spain
| Restored |
11th Century | | | Diocese of Ostuni, Italy
| Erected |
11th Century | Diocese of Cagliari, Italy
| Elevated | Archdiocese of Cagliari, Italy
| Elevated |
11th Century | | | Diocese of Boiano, Italy
| Erected |
11th Century | | | Diocese of Castellaneta, Italy
| Erected |
11th Century | | | Diocese of Ascoli Satriano (Puglia), Italy
| Erected |
11th Century | | | Diocese of Monopoli, Italy
| Erected |
11th Century | Diocese of Santa Severina, Italy
| Elevated | Archdiocese of Santa Severina, Italy
| Elevated |
11th Century | | | Diocese of Bobbio, Italy
| Erected |
11th Century | | | Diocese of Győr (Raab), Hungary
| Erected |
11th Century | | | Diocese of Venafro, Italy
| Erected |
11th Century | | | Diocese of Melfi, Italy
| Erected |
11th Century | | | Diocese of Rapolla, Italy
| Erected |
11th Century | | | Diocese of Giovinazzo, Italy
| Erected |
11th Century | | | Diocese of Terlizzi, Italy
| Erected |
11th Century | | | Diocese of Sarno, Italy
| Erected |
11th Century | Diocese of Otranto, Italy
| Elevated | Archdiocese of Otranto, Italy
| Elevated |
11th Century | Diocese of Palermo, Italy
| Elevated | Archdiocese of Palermo, Italy
| Elevated |
11th Century | | | Diocese of Muro Lucano, Italy
| Erected |
11th Century | Diocese of Reggio Calabria, Italy
| Elevated | Archdiocese of Reggio Calabria, Italy
| Elevated |
11th Century | | | Diocese of Acerno, Italy
| Erected |
11th Century | Diocese of Conza, Italy
| Elevated | Archdiocese of Conza, Italy
| Elevated |
11th Century | | | Diocese of Nusco, Italy
| Erected |
11th Century | | | Diocese of Civitate (Città or Civita), Italy
| Erected |
11th Century | | | Diocese of Anglona, Italy
| Erected |
11th Century | Diocese of Trani, Italy
| Elevated | Archdiocese of Trani, Italy
| Elevated |
11th Century | | | Diocese of Tricarico, Italy
| Erected |
11th Century | | | Diocese of Vác, Hungary
| Erected |
11th Century | | | Territorial Abbey of Subiaco, Italy
| Erected |
11th Century | Diocese of Acerenza, Italy
| Elevated | Archdiocese of Acerenza, Italy
| Elevated |
11th Century | | | Diocese of Andria, Italy
| Erected |
11th Century | Diocese of Matera, Italy
| Elevated | Archdiocese of Matera, Italy
| Elevated |
11th Century | | | Diocese of Bosnia (Bosna, Diacovar, Diakovar), Croatia
| Erected |
11th Century | | | Apostolic Chamber, Roman Curia
| Established |
11th Century | | | Diocese of Korčula (Curzola, Cursola), Croatia
| Erected |
11th Century | | | Diocese of Stagno (Ston), Croatia
| Erected |
11th Century | | | Diocese of Sorres (Sorra), Italy
| Erected |
11th Century | | | Canons Regular of the Hospitaller Congregation of Great Saint Bernard
| Founded |
11th Century | | | Canons Regular of the Lateran Congregation of Austria
| Founded |
11th Century | | | Diocese of Suelli, Italy
| Erected |
11th Century | Diocese of Bomarzo, Italy
| Suppressed | Diocese of Bagnoregio (Bagnorea), Italy
| Territory Added |
11th Century | Diocese of Grumento Nova (Grumentum), Italy
| Name Changed | Diocese of Marsico Nuovo, Italy
| Name Changed |
12th Century | Diocese of Roda, Spain
| Name Changed | Diocese of Barbastro, Spain
| Name Changed |
12th Century | | | Diocese of Caserta, Italy
| Erected |
12th Century | | | Diocese of Hvar (Lesina), Croatia
| Erected |
12th Century | | | Diocese of Lamego, Portugal
| Erected |
12th Century | Diocese of Messina, Italy
| Elevated | Archdiocese of Messina, Italy
| Elevated |
12th Century | | | Diocese of Molfetta, Italy
| Erected |
12th Century | | | Diocese of Galtelli, Italy
| Erected |
12th Century | | | Diocese of Osma, Spain
| Erected |
12th Century | | | Diocese of Bisaccia, Italy
| Erected |
12th Century | | | Diocese of Sant’Angelo dei Lombardi, Italy
| Erected |
12th Century | | | Diocese of Ampurias, Italy
| Erected |
12th Century | | | Territorial Abbey of Montevergine, Italy
| Erected |
12th Century | | | Diocese of Terralba, Italy
| Erected |
12th Century | Diocese of Viterbo, Italy
| United |
12th Century | | | Apostolic Penitentiary, Roman Curia
| Established |
12th Century | Diocese of Skara, Sweden
| Territory Lost | Diocese of Linköping, Sweden
| Erected |
12th Century | | | Diocese of Västerås (Westeraes), Sweden
| Erected |
12th Century | | | Diocese of Caithness, Scotland, Great Britain
| Erected |
12th Century | | | Diocese of Dunblane, Scotland, Great Britain
| Erected |
12th Century | | | Diocese of Dunkeld, Scotland, Great Britain
| Erected |
12th Century | | | Diocese of Ross (Rosemarkie, Fortrose), Scotland, Great Britain
| Erected |
12th Century | | | Diocese of Scardona (Skradin), Croatia
| Erected |
12th Century | | | Diocese of Trogir (Traù), Croatia
| Erected |
12th Century | Diocese of Forum Novum, Italy
| Name Changed | Diocese of Vescovio, Italy
| Name Changed |
12th Century | Diocese of Ancyra (Phrygia), Turkey
| Territory Added |
12th Century | | | Diocese of Albania
| Erected |
13th Century | | | Diocese of La Calzada, Spain
| Erected |
13th Century | Diocese of Calahorra, Spain
Diocese of La Calzada, Spain
| United | Diocese of Calahorra y La Calzada, Spain
| United |
13th Century | | | Diocese of Chios (Scio), Greece
| Erected |
13th Century | | | Diocese of Cefalonia, Greece
| Erected |
13th Century | | | Diocese of Naxos, Greece
| Erected |
13th Century | | | Diocese of Oppido Mamertina, Italy
| Erected |
13th Century | | | Diocese of Syros (e Milos), Greece
| Erected |
13th Century | | | Diocese of Ugento, Italy
| Erected |
13th Century | | | Diocese of Warmia (Ermland), Poland
| Erected |
13th Century | | | Territorial Abbey of San Martino al Monte Cimino, Italy
| Erected |
13th Century | | | Archdiocese of Durrës (Durazzo), Albania
| Erected |
13th Century | | | Order of Friars Preachers
| Founded |
13th Century | | | Diocese of Andros, Greece
| Erected |
13th Century | | | Diocese of Budua (Budva), Montenegro
| Erected |
13th Century | Diocese of Sulmona, Italy
Diocese of Valva, Italy
| United | Diocese of Valva e Sulmona, Italy
| United |
13th Century | Diocese of Leuca, Italy
| Name Changed | Diocese of Alessano, Italy
| Name Changed |
13th Century | Archdiocese of Tarsus, Turkey
| Territory Added |
13th Century | | | Diocese of Galtelli, Italy (from Pisa)
| Metropolitan Changed |
14th Century | | | Diocese of Lezhë {Lesh, Alessio}, Albania
| Erected |
14th Century | | | Diocese of Cariati, Italy
| Erected |
14th Century | | | Diocese of Vilnius, Lithuania
| Erected |
14th Century | | | Orden de San Jerónimo
| Founded |
14th Century | | | Canons Regular of the Congregation of the Brothers of Community Life
| Founded |
14th Century | | | Diocese of Kisamos (Cisamo), Greece
| Erected |
14th Century | Archdiocese of Hierapolis (Phrygia), Turkey
| Territory Added |
14th Century | | | Diocese of Dagne (Danj), Albania
| Erected |
14th Century | | | Apostolic Datary, Roman Curia
| Established |
14th Century | | | Fratelli Celliti o Alessiani de Aquisgrana
| Founded |
15th Century | | | Diocese of Montepeloso, Italy
| Erected |
15th Century | | | Apostolic Signatura, Roman Curia
| Established |
16th Century | Congregation for Cardinals Interpreters of the Council of Trent, Roman Curia
| Name Changed | Congregation of the Council, Roman Curia
| Name Changed |
16th Century | Diocese of Dagne (Danj), Albania
| Territory Added |
17th Century | | | Archeparchy of Alep [Beroea, Halab] (Maronite), Syria
| Erected |
17th Century | | | Eparchy of Tripoli del Libano {Tarabulus} (Maronite)
| Erected |
17th Century | Diocese of Kisamos (Cisamo), Greece
| Territory Added |
17th Century | | | Vicariate Apostolic of Asia Minor, Turkey
| Erected |
18th Century | Diocese of Prizren, Serbia
| Suppressed | Archdiocese of Skopje, North Macedonia
| Territory Added |
18th Century | | | Titular See of Icosium
| Established |
19th Century | Cardinal Titular Church of Sant’Alessio
| Name Changed | Cardinal Titular Church of Santi Bonifacio ed Alessio
| Name Changed |
19th Century | | | Titular See of Tharona
| Established |