The flag of the United Kingdom is widely known as the Union Jack. 'Union' probably refers to the four countries that came together, what about 'Jack'?
Union Jack - Wikiwand
PPT - The Union Flag PowerPoint Presentation, free download - ID:5231362
What is the name of Britain's national flag, and why is it called that when it is called the 'Union Jack' elsewhere? - Quora
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The history of the Union Jack
The Union Jack
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Why is the UK flag called The Union Jack? ✓
UK flag protocol
The Union Flag And Flags Of The United Kingdom Information, 55% OFF
United kingdom The Union Flag, popularly known as the Union jack, is the national flag of the United kingdom. It is the British flag. It is called the. - ppt download
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