June 29 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/June_29_(Eastern_Orthodox_liturgics)
June
28 - Eastern Orthodox Church calendar - June 30. All fixed
commemorations below celebrated on July 12 by Old Calendarists.
Saints[edit]. The holy, glorious, and all-praised leaders of the Apostles, Peter and Paul ... ( 1290); St Mary, mother of John Mark, nephew of Apostle Barnabas, at Jerusalem (1st century) ...
Monastery of Saint Mark, Jerusalem - Revolvy.com
www.revolvy.com/main/index.php?s...%20Jerusalem
Proclaimed a church by the holy apostles under the name of the Virgin Mary, mother of God, after the ascension of our Lord Jesus Christ into heaven. ... June 29 (Eastern Orthodox liturgics) ... Tatar Horde ( 1290 ) St Mary, mother of John Mark , nephew of Apostle Barnabas , at Jerusalem (1st century) Other commemorations ...