Input (grade 13): The rural municipality of Skoger was merged with the municipality of Drammen on 1 January 1964 and was transferred from Vestfold county to Buskerud county at the same time.
Output (grade 7): The rural municipality of Skoger was merged with Drammen January 1, 1964. (And then transferred from the county of Vestfold to the county of Buskerud.)