Memorial Day of the Holy Martyrs Nazarius, Gervasius, Protasius and Kelsia
Celebrated on 27 OctoberMemorial Day of the Holy Martyrs Nazarius, Gervasius, Protasius and Kelsia
Other holidays on 27 October
- World Day for Audiovisual Heritage
- International Teddy Bear Day
- Cranky Co-Workers Day
- Day of autumn mirages
- Day of Remembrance for the Victims of the Terrorist Attack in the Armenian Parliament (1999)
- World Lemur Day
- Anniversary of the enthronement, anointing and enthronement of Karekin II, Catholicos of all Armenians
- Folk calendar - Paraskeva Gryaznukha, Paraskeva Friday
- Day of Ukrainian Writing and Language
- Day of the Yakhromskaya Icon of the Mother of God
- Memorial Day of Venerable Paraskeva of Serbia