Indian Holidays - Subhas Chandra Bose Day in India (Netaji Subhas Chandra Bose Jayanti)
Celebrated on 23 JanuaryIndian Holidays - Subhas Chandra Bose Day in India (Netaji Subhas Chandra Bose Jayanti)
Other holidays on 23 January
- International holidays - International Handwriting Day (National Handwriting Day)
- Russian Holidays - Day of Investigative Bodies of the Ministry of Emergency Situations of Russia
- Funny Holidays - Green Light Day
- Funny Holidays - Rumor Day
- Funny Holidays - World Pie Day
- According to the folk calendar - Gregory the Summer Guide
- Feast of Saint Gregory, Bishop of Nyssa
- Memorial Day of St. Theophan, the Recluse of Vyshensky
- Memorial Day of St. Paul Komelsky (Obnorsky)