Denmark's Prime Minister Mette Frederiksen, center, speaks to people while on an election campaign, in Holbaek, Denmark, Saturday, May 28, 2022. Claus Bech/AP hide caption toggle caption Claus Bech/AP Europe Denmark will hold a referendum on EU defense amid Ukraine war May 31, 2022 • Danish voters are being asked to choose whether to abandon the country's decision three decades ago to opt out of the bloc's common defense policy.
