Diocese

Christian district or see under the supervision of a bishop

11 dated entries naming Diocese, drawn from 11 separate years between 631 CE and 1911 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

Also written as Archdiocese in the source articles; Wikipedia redirects those to the same subject, so their entries are on this page.

JSON Wikipedia article Wikidata Q665487

7th century

631Emperor Heraclius appoints Cyrus, patriarch of Alexandria, with power to act as viceroy (dioikesis) of Egypt. He begins a 10-year persecution against the non-Chalcedonian Coptic Christians.source

8th century

738Boniface visits Rome, and is made papal legate of the Frankish Kingdom. He establishes many bishoprics in Bavaria.source
739Boniface, Anglo-Saxon missionary who has been Christianizing Bavaria, founds the bishoprics of Salzburg, Regensburg, Freising, and Passau.source

9th century

803October 12 – The Synod of Clofesho (possibly Brixworth) is held, at which the Archbishopric of Lichfield is demoted to an ordinary bishopric, with papal permission obtained by King Coenwulf of Mercia.source
824Vikings raid Bangor (modern Wales) for the second time, and plunder the bishopric (approximate date).source
880The first known Christian bishopric in Slovakia is established in the city of Nitra, with Wiching as bishop.source

10th century

909Asser, bishop of Sherborne, dies. His See is divided, there are new Bishoprics created at Wells, Crediton, Ramsbury and Sonning.source

11th century

1092April 21 – The Diocese of Pisa is elevated to the dignity of a metropolitan archdiocese by Pope Urban II.source

12th century

1111The Synod of Rathbreasail marks the transition of the Irish church from a monastic to a diocesan structure.source

14th century

1318April 1 – Pope John XXII creates the Archdiocese of Soltaniyeh (now located in northwestern Iran), bringing the Roman Catholic hierarchy to the Ilkhanate in Persia, with the Dominican missionary Francesco da Perugia (Francon de Perouse) as the first Archbishop. Francesco and six bishops arrive on August 1.source

20th century

191129 August – The Diocese of Kottayam was erected on this day (Kerala, India) for the Knanaya Catholic people of the Syro-Malabar Church. In 2005 the diocese was raised to the rank of Archdiocese.source