Norway Holidays - Constitution Day (Grunnlovsdag)
Celebrated on 17 MayNorway Holidays - Constitution Day (Grunnlovsdag)
Other holidays on 17 May
- UN Holidays - World Telecommunication and Information Society Day
- International holidays - Internet Birthday (World Wide Web Standards Approval Day)
- International holidays - World Hypertension Day
- Russian Holidays - Pulmonologist Day
- Baha'i Holidays - Feast of the Nineteenth Day of the Month of Azamat
- According to the folk calendar - Pelageya the Intercessor, Baklushnik Day
- Memorial Day of the Martyr Pelagia, the Virgin of Tarsus
- Feast of the Old Russian Icon of the Mother of God