John of Constantinople
Byzantine saint
Feast: 18 April (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
John of Constantinople (died 839), also known as John the Confessor, was an abbot of the Cathares Monastery, in Constantinople. He clashed with the Byzantine Emperor Leo the Armenian, who was instituting a policy of iconoclasm. John survived torture for his iconodulism. He is considered a saint by the Eastern Orthodox Church and the Roman Catholic Church, and is celebrated by them on 27 April and 18 April respectively.
Summary from Wikipedia (CC BY-SA 4.0), until this page is written up in full.
The miracles
Limited information is available on this saint so far.
Why that counted as sanctity
Limited information is available on this saint so far.
- Roman Martyrology (1916 English edition), 18 April — 1916 RM, 18 April: 'At Constantinople, of St. John, abbot, who combated strenuously for the worship of holy images, under Leo the Isaurian.' Matches the iconodule abbot of the Kathara monastery whose Latin feast is 18 Ap
- Wikidata Q1260150 — dates, feast day and identifiers (CC0)
- English Wikipedia — John of Constantinople (CC BY-SA)
Not yet written up in full. The Catholic source above names this person; the name, dates and step come from Wikidata and are not yet checked against Church records.