Danish lawmakers have canceled a 300-year-old religious public holiday to recoup the additional tax revenue. Photo: epa-efe/ShutterstockCOPENHAGEN—Denmark, a founding member of NATO, has no artillery, submarines or air-defense system. The small Nordic nation didn’t think it needed them because a ground war in Europe seemed far-fetched—until Russia’s invasion of Ukraine. The conflict in its neighborhood has set it and similar European nations scrambling to plug gaps in their armory. Denmark, one of the richest nations per capita in the Western world, has pledged to boost military spending from about 1.4% of gross domestic product to the North Atlantic Treaty Organization’s target of 2% by 2030.

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