Re:Mount Athos, the “Autonomous Monastic State” of Greece (2...
by tut-urut-utut on Friday December 10, 2021 @10:44AM
(#29511198)
Majority of Orthodox Churches didn't switch to Gregorian calendar, some of them did, although some only partially.
Russian Orthodox Church also still follows the Julian calendar. Majority of Orthodox countries switched to Gregorian only in the 20th century.