It is an act of treason to place a postage stamp bearing the British monarch upside-down
In Liverpool, it is illegal for a woman to be topless except as a clerk in a tropical fish store
I believe and approve of that one.
Mince pies cannot be eaten on Christmas Day
Fallen out of use since the days of Ollie Cromwell.
In Scotland, if someone knocks on your door and requires the use of your toilet, you must let them enter
Have you seen how much they drink there?
A pregnant woman can legally relieve herself anywhere she wants, including in a policeman's helmet
I haven't seen this yet. Man-boobs and beer-bellies are not enough to fool even British police.
In the city of York it is legal to murder a Scotsman within the ancient city walls, but only if he is carrying a bow and arrow
You didn't mention the Welshman in Chester on a Sunday.