The International Council of Museums (ICOM) established International Museum Day in 1977 to encourage public awareness of the role of museums in the development of society.

Traditionally Museum night is awaited event in the end of spring. Medieval age castle in Cesis looks very powerful and majestic. New Castle where Cesis History and art museum is located, entertains and educates visitors by interactive expositions and concert. This is night when history and culture organisations in Cesis are united with whole Latvia and Europe and offer to explore mystery.

The International Museum night.