<P> The Union Jack, or Union Flag, is the national flag of the United Kingdom . The flag also has an official or semi-official status in some other Commonwealth realms: for example, it is a ceremonial flag in Canada by parliamentary resolution, and known there as the Royal Union Flag . Further, it is used as an official flag in some of the smaller British overseas territories . The Union Flag also appears in the canton (upper left - hand quarter) of the flags of several nations and territories that are former British possessions or dominions, as well as the state flag of Hawaii . </P> <P> The claim that the term Union Jack properly refers only to naval usage has been disputed, following historical investigations by the Flag Institute in 2013 . </P> <P> The origins of the earlier flag of Great Britain date back to 1606 . James VI of Scotland had inherited the English and Irish thrones in 1603 as James I, thereby uniting the crowns of England, Scotland, and Ireland in a personal union, although the three kingdoms remained separate states . On 12 April 1606, a new flag to represent this regal union between England and Scotland was specified in a royal decree, according to which the flag of England (a red cross on a white background, known as St George's Cross), and the flag of Scotland (a white saltire on a blue background, known as the Saltire or St Andrew's Cross), would be joined together, forming the flag of England and Scotland for maritime purposes . King James also began to refer to a "Kingdom of Great Britaine", although the union remained a personal one . </P> <P> The present design of the Union Flag dates from a Royal proclamation following the union of Great Britain and Ireland in 1801 . The flag combines aspects of three older national flags: the red cross of St George for the Kingdom of England, the white saltire of St Andrew for Scotland (which two were united in the first Union Flag), and the red saltire of St Patrick to represent Ireland . </P>

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