In a referendum held in the United Kingdom on whether or not to continue being a member of the European Union, 52% of voters chose to leave it, Prime Minister David Cameron announced his resignation shortly afterwards.
En Marche! candidate Emmanuel Macron was elected the President of France, replacing incumbent Hollande and defeating National Front candidate Marine Le Pen in the second round of voting. Macron is the youngest president in the history of the French Fifth Republic.
Matteo Renzi, after becoming the new leader of the Italian Democratic Party, forced Enrico Letta to resign and was elected Prime Minister, starting a program of radical constitutional reforms. Renzi is the youngest Prime Minister in the Italian history.
Longtime Italian prime minister, Silvio Berlusconi, was indicted for allegedly paying for sex with an underage nightclub dancer, and ordered to stand trial. Berlusconi resigned in November and Mario Monti was appointed Prime Minister and held the office until 2013.
Independent green Alexander Van der Bellen narrowly beat the far-right Freedom Party of Austria candidate Norbert Hofer in a repeat of the Austrian presidential election, 2016 after the first election was annulled.