Wallis and Futuna Voters in Wallis and Futuna re-elect nine members and elect eleven new members to the 20-seat Territorial Assembly.
Hong Kong Chief Executive election, 2017 The Hong Kong Election Committee meets to select a new Chief Executive. Carrie Lam becomes the first female Chief Executive.
Bulgarian parliamentary election, 2017 Bulgarians vote to elect a new Prime Minister after the resignation of Boyko Borissov. Opinion polls predict a close contest between Borissov's centre-right GERB and the Socialist Party.
2017 Russian protests Authorities detain hundreds of people, including Alexei Navalny, at anti-corruption protests across Russia.
Ukrainian military A Ukrainian military Mi-2 transport helicopter crashes after hitting a power line near Kramatorsk, Donetsk Oblast, killing all five people aboard.