Flags of Great Britain: the flags of England and of Scotland (since the Middle Ages) together with the flags of Wales (since 1959) and of Cornwall (since the 19th century).
This file was derived from:

 Flag of England.svg
Flag of Scotland.svg
Flag of Wales.svg
Flag of Cornwall.svg
Own work based on: Flag of England.svg: , Flag of Scotland.svg: , Flag of Wales.svg:   and Flag of Cornwall.svg: