23 December 2066, Thursday (10.12 according to the old style)
Church calendar for 23 December 2066
Saints commemorated
- Hierarch St. Joasaph, Bishop of Belgorod 1705–1754
- Martyr Eugraphus of Alexandria †ок. 313
- Martyr Gemellus of Paphlagonia, the Much-Suffering †361-363
- Martyr Menas Kallikelados †ок. 313 (при имп. Максимине Дайе)
- Right-believing John (Branković), Despot of Serbia XV век — †10 декабря 1502