So what did British Prime Minister Theresa May write in the letter to leave the EU?
Here at 98FM we have a few ideas, Dear Europe, it's not you, its me. Dear Europe, UK out (drops mic)
The process for the UK to leave the EU starts today once the European Council receives the letter to trigger Article 50.
But it will take another 2 years before the deal is final.
Here are some of the funnier observations about this historic day for Britain and Europe.