This month marks five years since Ukraine’s Crimean Peninsula was invaded and subsequently occupied by Russia. The occupiers who came from across the border would come to be known as “Putin’s little green men” — Russian troops with their military insignias hidden. Russian President Vladimir Putin at first brazenly denied his country’s involvement, then later admitted that he had lied to the world. The Kremlin held a sham referendum and installed a puppet government. It was the first time since the 1940s that a European country had dared to seize territory from a neighbor by force.

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