Carlsson was a member of the Riksdag from 1965 to 1996 representing the constituency of Stockholm County ( until 1970 in the lower house ) . He served as Minister of Education from 1969 to 1973 , as Minister of Housing in 1973 and again from 1974 to 1976 , and as Minister of Environmental affairs from 1985 to 1986 . He served as Deputy Prime Minister from 1982 to 1986 , and assumed office as Prime Minister of Sweden upon the assassination of Prime Minister Olof Palme in 1986
assassination of Prime Minister Olof Palme
Assassination of Olof Palme
Ingvar Carlsson