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White Ensign

White Ensign
Naval Ensign of the United Kingdom.svg
Use Naval ensign
Proportion 1:2
Design White field defaced with the Cross of Saint George and the Union placed in the canton.

The White Ensign, at one time called the St George's Ensign due to the simultaneous existence of a cross-less version of the flag, is an ensign flown on British Royal Navy ships and shore establishments. It consists of a red St George's Cross on a white field with the Union Flag in the upper canton.

The White Ensign is also flown by yachts of members of the Royal Yacht Squadron and by ships of Trinity House escorting the reigning monarch.

In addition to the United Kingdom, several other nations have variants of the White Ensign with their own national flags in the canton, with the St George's Cross sometimes being replaced by a naval badge omitting the cross altogether. Yachts of the Royal Irish Yacht Club fly a white ensign with an Irish tricolour in the first quadrant and defaced by the crowned harp from the Heraldic Badge of Ireland. The Flag of the British Antarctic Territory and the Commissioners' flag of the Northern Lighthouse Board place the Union emblem in the first quarter of a white field, omitting the overall red St George's Cross, but are not ensigns for use at sea.

English naval ensigns were first used during the 16th century, and were often striped in green and white (the Tudor colours), but other colours were also used to indicate different squadrons, including blue, red and tawny brown. (These striped ensigns can be seen in use on both English and Spanish warships in contemporary paintings of the 1588 Spanish Armada battles). Later, there was usually a St George's Cross in the upper canton, or sewn across the field as on the modern White Ensign. These striped ensigns continued in use under the Stuart kings: the Naval ensign of 1623 is described as having "15 horizontal stripes alternately blue, white and yellow with a Cross of St George in the canton". This design fell out of use after 1630, with the introduction of the Red, White and Blue ensigns. The use of stripes continued in the red and white of both the flag of the Honourable East India Company, adopted in 1600, and of the 1775 Grand Union Flag that formed the basis for the modern flag of the United States of America, and the red, white and blue striped ensign that serves as the flag of Hawaii.


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