Apparently way back when no one could decide where the exact border between England and Scotland was, King Stephen of England ceded Doncaster to the Scots as part of a peace treaty and this has never been rescinded so Doncaster is actually part of Scotland not England. This means that when Scotland becomes independent and joins the EU, the people of Doncaster will be able to apply for a Scottish passport and will be EU citizens with all the rights of movement etc. that comes with it. Of course, they won’t be English but then Yorkshire folk have only even been English by default. Even better, as Westminster has decided to pay £2000 to each EU citizen who agrees to leave then anyone from Doncaster relocates to Scotland will get a payout