11 December 1917, Tuesday (28.11 according to the old style)
Church calendar for 11 December 1917
Saints commemorated
- Martyr Irinarkh of Sebaste III век — †303
- Metropolitan Seraphim (Chichagov), Metropolitan of Leningrad 9 января 1856 — 11 декабря 1937
- Synaxis Synaxis of Georgian Saints
- Hieromartyr Seraphim Chichagov 1856 — 1937
- Venerable Martyr Stephen the New 715 — 767
- Hierarch Theodore, Archbishop of Rostov 1-я пол. XIV века — 1394