Why is it called the Bank Of England Not The Bank of the United Kingdom?

Question

Why is it called the Bank Of England Not The Bank of the United Kingdom?

Answer 1

Because the royal bank of scotland is not called the bank of england.

Answer 2

Because Scotland, Wales and Ireland have their own banks too.

Also as they are in England.

Answer 3

Scottish banks issue their own notes.

Answer 4

Because there are also banks called "The Bank of Scotland" and  "The Bank of Ireland". Also there used to be a "Bank of Wales" which went bust in 2002.

Answer 5

Why is the Royal Bank of Scotland,

Not the Royal Bank of the UK?

Everything English does not have to be British/UK