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Union Jack (Flag of the United Kingdom)
Flag NameUnion Jack (Flag of the United Kingdom)
Country NameUnited Kingdom
ISO 3166-1 alpha-2GB
Date Adopted1801-01-01
Adoption Statusofficial
Flag Typenational
Aspect Ratio1:2
Primary ColorsBlue, Red, White
Symbolism DescriptionThe flag symbolizes the union of the constituent countries of the United Kingdom. The red cross on a white field represents England (St George's Cross). The white saltire on a blue field represents Scotland (St Andrew's Cross). The red saltire on a white field represents Ireland (St Patrick's Cross), which was incorporated into the flag following the Act of Union 1800.
Symbolism Categorieshistory
DesignerNot attributed to a single designer; evolved from the combination of existing national symbols.
Canton DetailsNot applicable; the entire flag is a composite design of crosses.
Related FlagsFlag of Australia, Flag of New Zealand, Flag of Fiji, Flag of Tuvalu, Flag of British Columbia, Flag of Ontario, Flag of Manitoba
Legal DescriptionThe design of the Union Jack is based on royal proclamations and tradition, rather than a single parliamentary act. It represents the sovereign's authority and the unity of the realm.
Description
The national flag of the United Kingdom, formed by the superimposition of the flags of England (St George's Cross), Scotland (St Andrew's Cross), and Ireland (St Patrick's Cross).
