Which Jack Is The Union Jack Named After?

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SOURCES AND FURTHER READING
Jack Meaning & Origin: https://www.behindthename.com/name/jack
What Is The Feminine Version Of Jack?: https://answers.yahoo.com/question/in...
Famous Jacks: https://www.ranker.com/list/famous-pe...
Which Flags Still Use The Union Jack: https://www.bbc.co.uk/news/magazine-3...
History Of The Union Jack: http://www.know-britain.com/general/u...
The Union Jack or Union Flag?: https://www.flaginstitute.org/wp/brit...
Union Jack: https://www.royal.uk/union-jack
Why Is The United Kingdom Flag Called The Union Jack?: https://www.oxfordinternationalenglis...

Thatched Villagers Kevin MacLeod (incompetech.com)
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