Swedish literature by many. The Swedish language is an official language in Finland, with approximately 5.6% of the population having it as their mother tongue. Hence Swedish language literature has a considerable following in Finland, with several well-known Swedish-speaking Finnish writers, such as Bo Carpelan, Christer Kihlman and Tove Jansson. Jansson, perhaps best known for her Moomin books for children, wrote novels and short stories for adults, including "Sommarboken", (1972, "The Summer Book"). A cultural body representing such literature is the Society of Swedish Literature in Finland, which describes itself as "a versatile and future-oriented cultural institution of Finland-Swedish literature, culture and
Finnish Swedish Heritage Day 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 the radio, and many smaller celebrations are held around Finland in schools. Usually, the song Modersmålets sång is sung, celebrating the mother tongue. The Finnish Swedish Heritage Day is celebrated on the same day as Gustavus Adolphus Day in Sweden, the day that king Gustavus Adolphus of Sweden was killed at the