Constitution Day (Norway)

Constitution Day is the National Day of Norway and is an official public holiday observed on 17 May each year. Among Norwegians, the day is referred to as 17 mai, Nasjonaldagen, or Grunnlovsdagen, although the latter is less frequent.

May 17 is the 137th day of the year in the Gregorian calendar; 228 days remain until the end of the year.