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Union Jack

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The Union Jack is the national flag of the United Kingdom.

UnionJack Construction Per 1801 Blazon
UnionJack Construction Per 1801 Blazon

It is also called the Union Flag. This flag is special because it layers symbols from different places together. It uses the red cross of Saint George, who is the patron saint of England. It also features the white diagonal cross of Saint Andrew from Scotland. Finally, it includes the red diagonal cross of Saint Patrick from Ireland.

Union flag 1606 (Kings Colors)
Union flag 1606 (Kings Colors)

Wales is not represented in the design. This is because Wales was part of the Kingdom of England when the first version was made.

Building the flag is like a step-by-step layering process. First, the white diagonal cross of Saint Andrew is placed on a blue background.

UnionJack Construction Per 1801 Blazon
UnionJack Construction Per 1801 Blazon

Next, the red diagonal cross of Saint Patrick is added on top. This red cross is edged in white to keep it clear. Then, the red cross of Saint George is placed over everything else. This final red cross is also edged in white. Most Union Jack flags are twice as long as they are tall.

UnionJack Construction Per 1801 Blazon
UnionJack Construction Per 1801 Blazon

The history of the flag began a long time ago. In 1606, King James VI and I made a proclamation. He wanted to join the symbols of England and Scotland.

Union flag 1606 (Kings Colors)
Union flag 1606 (Kings Colors)

At that time, the flag was called the British flag. It did not have the name Union Jack yet. The term "Union" first appeared much later in 1625. The design changed again in 1801. This happened after the Act of Union joined Great Britain and Ireland.

The Union Jack Flag MOD 45153521
The Union Jack Flag MOD 45153521

Many interesting facts surround the name and use of the flag. The word "jack" might come from a type of small maritime flag.

The Union Jack Flag MOD 45153521
The Union Jack Flag MOD 45153521

Sailors used small flags called jacks on a pole called a jackstaff. These flags helped identify a ship's nationality at sea. Some people say the name comes from the name James. Others think it might come from the jackets worn by soldiers. In China, some people call it the "Rice-Character Flag." This is because the pattern looks like a specific Chinese character.

The Union Jack Flag MOD 45153521
The Union Jack Flag MOD 45153521

You can see the Union Jack in many places around the world today. It is part of the flags of several British Overseas Territories.

It also appears in the designs of some Australian states. In Canada, the flag has an official status as the Royal Union Flag.

Ottawa on Commonwealth Day (March 14) 2022
Ottawa on Commonwealth Day (March 14) 2022

Many people recognize the flag from its use on ships. It is a symbol that connects many different lands and histories. Even famous leaders like Winston Churchill used the name Union Jack.

The Union Jack Flag MOD 45153521
The Union Jack Flag MOD 45153521
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🖼️ Images & Media (34)
File:The True Portraicture of His Maties Royall Ship the Soveraigne of the Seas. Built in the Yeare 1637 (detail of the Union flag on the jackstaff).jpg
The True Portraicture of His Maties...
File:UnionJack Construction Per 1801 Blazon.svg
UnionJack Construction Per 1801 Blazon.svg
File:Linlithgow Palace unicorn boss, c.1617.JPG
Linlithgow Palace unicorn boss, c.1617.JPG
File:Union flag 1606 (Kings Colors).svg
Union flag 1606 (Kings Colors).svg
File:Flag of the Commonwealth (1658-1660).svg
Flag of the Commonwealth (1658-1660).svg
Command flag, Admiral of the Fleet, RN...
File:BeaumontScottishUnionFlag.png
BeaumontScottishUnionFlag.png
File:Edinburgh Castle John Slezer trimmed.jpg
Edinburgh Castle John Slezer trimmed.jpg
File:British flag flown from HMS Spartiate during the Battle of Trafalgar.jpg
British flag flown from HMS Spartiate...
File:Union Flag (including Wales).svg
Union Flag (including Wales).svg
File:The Union Jack Flag MOD 45153521.jpg
The Union Jack Flag MOD 45153521.jpg
File:Union Jacks in Godalming - geograph.org.uk - 3028373.jpg
Union Jacks in Godalming -...

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