How did we get the Union Jack? Explained.
What if the Union Jack was proportional to the areas of the UK's countries? : r/vexillology
Why isn't Wales represented in the Union Jack? - Quora
Why Isn't Wales Represented on the British Flag?
A Quick History of the British Flag (Union Jack)
Why is the Heir to the British Throne Called the Prince of Wales?
Patriot games: why flying the union jack has become so contentious, Boris Johnson
The Real Reason Why Wales Isn't Represented on the Union Jack , union jack
The union jack: how can a redesign do it justice?, Scottish independence, union jack
And then there's Wales. Redesigning the United Kingdom Flag, Results Show!