Simplify the following text for a Grade 4 native English-speaking person.
Original: Berwick was originally the county town of Berwickshire , but from 1482 ( when Berwick became part of England ) to its abolition in 1975 , Berwickshire had the unique distinction of being the only county in the British Isles to be named after a town in another country .
Simplified: Berwick was once a Scottish town , and gave its name to Berwickshire .