The flag of Great Britain, often referred to as the King's Colour, Union Flag, Union Jack, and British flag, was used at sea from 1606 then more generally from 1707 until 1801 as the flag of the Kingd
Replica of early 17th century English ship Godspeed, with Union flag in her “main-toppe” and that of England in her “fore-toppe”
England's Navy Royal warship HMS Sovereign of the Seas, with Union Jack on her jackstaff, c. 1637, as per the 1634 proclamation of Charles I
Slezer's Edinburgh Castle c. 1693 depicting the Scottish Union flag
Continental Union Flag, featuring early Union Flag in the canton, outside City Hall, San Francisco
The Red Ensign or Red Duster is the civil ensign of the United Kingdom. It is one of the British ensigns, and it is used either plain or defaced with either a badge or a charge, mostly in the right ha
World War II morale poster
A well used Red Ensign worn on a motorboat
Close-up of a plain Red Ensign from a John O'Brien painting
The British Red Ensign being paraded alongside the Australian Red Ensign during the 2007 Anzac Day celebrations in Brisbane, Australia.