Tove Jansson "Pessi and Illusia", a ballet by Ahti Sonninen ("Radio tekee murron") which was performed at the Finnish National Opera. By 1958, Jansson began to become directly involved in theater as Lilla Teater produced "Troll i kulisserna" ("Troll in the wings"), a play with lyrics by Jansson and music composed by Erna Tauro. The production was a success, and later performances were held in Sweden and Norway. In 1974 the first Moomin opera was produced, with music composed by Ilkka Kuusisto. The biennial Hans Christian Andersen Award conferred by the International Board on Books for Young People is the highest recognition
Finnish Swedish Heritage Day saw this day as a day for celebrating "aggressive imperialism". During the Second World War, both sides stopped fighting each other and emphasized that both language groups were part of Finland, thus the celebration of the day spread outside the political spectrum. Today, the day is led by Swedish Assembly of Finland. Finnish Swedish Heritage Day Finnish Swedish Heritage Day (Swedish: "Svenska dagen", Finnish: "Ruotsalaisuuden päivä") is a general flag day, which is celebrated in Finland on November 6. The day celebrates the Swedish-speaking population of Finland, their culture, and the bilinguality of Finland. The main celebrations are aired on