The follow - up invasion of Scotland under the command of Edward 's brother , Richard , Duke of Gloucester failed to install Albany on the throne .
The border town of Berwick upon Tweed has remained English ever since the castle surrendered on 24 August 1482 .
The follow - up invasion of Scotland under the command of Edward 's brother , Richard , Duke of Gloucester failed to install Albany on the throne , but the border town of Berwick upon Tweed has remained English ever since the castle surrendered on 24 August 1482 .