On this day last year, Greeks woke up facing a referendum result that very few had expected. Almost a year later, on the 24th of June 2016, British and other Europeans woke up overwhelmingly surprised by the ‘Leave’ vote. Despite their significant differences, the Greek and the British referenda have some important things in common. Reading them together might have something to teach us about referenda on the EU—especially now that more people seem to be asking for one in their own country.