International Music Festival. The festival has a long history. It began in 1994 under the name “Verden i Norden” and was a collaboration between the Nordic countries. The other countries quickly faded out, while the festival in Oslo grew
St Hallvard's Feast Day. The celebration of Oslo's patron saint, St Hallvard's Feast Day is a quiet but dignified arrangement dating back centuries.The climax of the celebration is a beautiful Gregorian vesper at 6pm in the local medieval church. Feast Day May 15.
Oslo Gay Pride. The Oslo Pride week is the GLBT festival not even "straight" people should miss. Norway's largest annual pride festival includes a film festival, concerts, workshops, exhibitions, and many other entertainment events for visitors.