Poulsbo's Viking Fest is a celebration of Norway's Constitution Day of May 17th (in Norwegian -"Syttende mai"), it is also referred to as Norway's national holiday (independence day is incorrect). In Norway, it is a festival of flags and colorful processions, where children have a central part to play as they walk to the music of marching bands. It is a time when you see traditional Norwegian costumes as a very prominent and natural part of the celebrations. The festivities last from the early morning to late at night. Parties with family and friends featuring traditional food and drinks are common. This is the most important day for the children during the summer.