Before revision: Because the Queen's Birthday privilege day was granted by Queen Victoria , it would have been difficult for the Cabinet Office to abolish it by an administrative measure, so the Cabinet Office decided to retain this as a privilege day.
After revision: Because the Queen's Birthday privilege day was granted by Queen Elizabeth II after her coronation , it would have been difficult for the Cabinet Office to abolish it by an administrative measure, so the Cabinet Office decided to retain this as a privilege day.