In the United Kingdom , the term First Minister was once used interchangeably with Prime Minister , such as when Winston Churchill stated : `` I did not become His Majesty 's First Minister so that I might oversee the liquidation of the British Empire ! ''
In the United Kingdom , First Minister was once used to mean the same as Prime Minister . Winston Churchill 's famous quote : `` I did not become His Majesty 's First Minister so that I might oversee the liquidation of the British Empire ! ''