Union Jack Union Jack 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.
Union Jack Flag" are both historically correct for describing the "de facto" national flag of the United Kingdom. Whether the term "Union Jack" applies only when used as a jack flag on a ship is a modern matter of debate. According to the Parliament of the United Kingdom: "Until the early 17th century England and Scotland were two entirely independent kingdoms. This changed dramatically in 1603 on the death of Elizabeth I of England. Because the Queen died unmarried and childless, the English crown passed to the next available heir, her cousin James VI, King of Scotland. England and Scotland now shared