Article 50: Pit your Brexit wits against Adam Boulton

By Adam Boulton, All Out Politics Presenter

So we're off. The trigger has been pulled, we are on the way out: soon-to-be ex-members of the EU.

For well over a year it's been Brexit means Brexit means more Brexit, whatever that means.

Now it's time to test your knowledge. Just how much do you know about the European Union - and the UK's imminent departure?