Complex sentence: On 29 March 2017, the British government invoked Article 50 of the Treaty on the European Union the UK is thus on course to leave the EU on Friday, 29 March 2019.
Split into simpler sentences: On 29 March 2017, the British government invoked Article 50 of the Treaty on the European Union. The UK is thus on course to leave the EU on Friday, 29 March 2019.