April 6 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/April_6_(Eastern_Orthodox_liturgics)
Apr. 5 — Eastern Orthodox Church calendar — Apr. 7. All fixed commemorations below are ... Hieromartyr Irenaeus, Bishop of Sirmium in Hungary (304) (Church of Romania; -- see also: March 26); 120 Martyrs of Persia (c. 344-347); Martyrs ...
April 6 (Eastern Orthodox liturgics) - Wikiwand
www.wikiwand.com/en/April_6_(Eastern_Orthodox_liturgics)
Apr. 5 — Eastern Orthodox Church calendar — Apr. 7. ... Hieromartyr Irenaeus, Bishop of Sirmium in Hungary (304) (Church of Romania; -- see also: March 26) ...