She was more right than our government who think there is a British nationality when there isn't.
England, Wales, Scotland and Ireland are nations, so their peoples have those nationalities.
Britain, Great Britain and the UK are federations of countries. If there truly was a British nationality, there would also be Great British and United Kingdomish nationalities.
The whole status of the parts of the United Kingdom has long been a mess, and the more the government try to clarify, the worse it gets as they tie themselves into knots.
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Which brought back a memory from long ago when I first went on the road and encountered the Welsh road signs which defied my ability to read them, so I rang the customer who brightly replied "Just look for the "Amlock" road signs.
Eventually I found her address and she said "Couldn't you read the road signs? they're written in English?"
"Madam I replied the signs I could find made no sense to me, I'm not English, I'm from Yorkshire!"
She started laughing and replied "Oh you're from there are you?"
The Road sign she explained for "Amlock" was actually "AMLWCH"
I was amazed and offered this insight. " Oh Dear, I don't think you can expect a Yorkshireman to get his tongue round fancy names like that!"
This so cheered her up it was tea and cake after that.
"I can't wait to tell everyone what you said" she kept chuckling .