Brexit: The United Kingdom's decision to leave the European Union in 2016 was a significant challenge to the EU. It presented numerous complexities and uncertainties for both the EU and the UK, with negotiations on their future relationship taking several years to conclude. This event has prompted debates and discussions about the future direction and unity of the EU, as well as the implications for other member states.
Brexit, the United Kingdom's decision to leave the European Union, is one recent challenge to the European Union created by a member state.
