On June 29, US President Donald Trump told reporters that recognizing Russia’s illegal land grab of Ukraine’s Crimea is on the table when he meets President Vladimir Putin in July. While the White House has since backed away and insisted that US policy hasn’t changed, the president and his staff may need a refresher.

In March 2014, thousands of Ukrainian citizens automatically became Russian citizens whether they wanted to or not. When Russia illegally annexed Crimea, anyone who had been born in Crimea or anyone with a Crimean residence permit was given Russian citizenship. At least 3,500 Ukrainian citizens kept their passports and refused Russian citizenship. Four years later, their choice looks like an act of heroism.

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