It's only taken the government 9 months. From the Express
The Prime Minister will formally notify Brussels of the UK's exit in nine days time, beginning the two-year countdown until Brexit is complete.
It will also kick off the timetable for formal talks on Britain's exit, with the 27 remaining EU member states set to outline their negotiating position later next week.
Britain's ambassador to the EU Sir Tim Barrow this morning informed the office of European Council President Donald Tusk of the UK’s intention to invoke Article 50 next Wednesday.
I'm with her Majesty the Queen - 'Why can't we just leave'. If they try to impose silly terms we may have to. What they going to do? Invade?