After a lot of speculation, a big date in Britain's path to Brexit has been set: On March 29, Prime Minister Theresa May will trigger Article 50.
Britons have been waiting with bated breath for this moment, which effectively starts the formal process of their country leaving the European Union. But many outsiders may be left scratching their head, so here's a WorldViews guide to Article 50 for those catching up.
What is Article 50?
Article 50 is the European Union legislation that sets out how a member state can leave the organization. It's part of the Treaty of Lisbon, which was signed in 2007 and went into force in 2009.