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 and the Union Jack would be inappropriate. Various other designs for a common flag were drawn up following the union of the two Crowns in 1603, but were rarely, if ever, used. One version showed St George's cross with St Andrew's cross in the canton, and another version placed the two crosses side by side. A painted wooden ceiling boss from Linlithgow Palace, dated to about 1617, depicts the Scottish royal unicorn holding a flag where a blue Saltire surmounts the red cross of St. George. In objecting to the design of Union Flag adopted in 1606, whereby the cross