We all know how David Cameron fared in the David Letterman's impromptu questions about British history, now here is your chance to have a go and see how much you know.
Now be honest, no cheating please, I scored 18 out of 21, admittedly a few were pure guesses.
Twenty. I thought that they current UK population was, by now, nearer 66 miillion than the old figure of 60 million. Must stop reading those stories about immigration !
Having now passed the intelligence test related to finding the answers (!) I see that I got the dog one wrong and also the number of voters Cameron represents