[Mrs Ivan]

the cultural border between England and Scotland was the river Tyne, not the river Tweed.

But the southern border of the old kingdom of Northumbria is actually the river Humber ...

[Churchillspirit]

But the southern border of the old kingdom of Northumbria is actually the river Humber.<

Maybe so, but my husband's point was that culturally the change was between Northumberland and Durham.

Having attended many dances with him in that area, I would agree.