Simplify the following text for a Grade 8 native English-speaking person.
Original: 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 .
Simplified: 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 . )