Referendums make the Dutch establishment nervous. Eleven years ago, the country rejected plans to give the EU greater powers through a European Constitution, embarrassing the government and forcing a rethink in Brussels.
Politico: Dutch get second chance to snub EU
Ukrainian students hold balloons and EU flags as they form a human chain during a rally in Kyiv on April 5, 2016. Demonstrators urged the Dutch to vote in support of Ukraine in the upcoming referendum.