Memorial Day of the Hieromartyr Hierotheos of Athens
Celebrated on 17 OctoberMemorial Day of the Hieromartyr Hierotheos of Athens
Other holidays on 17 October
- Day of the local therapist in Russia
- International Day for the Eradication of Poverty
- Day of gatherings by candlelight
- World Trauma Day
- Sublime day
- Baha'u'llah's Birthday 2023
- Petropavlovsk-Kamchatsky City Day
- According to the folk calendar - Erofeev Day
- Cathedral of Kazan Saints
- Day of the discovery of the relics of St. Gury, Archbishop of Kazan, and Barsanuphius of Tver