joined World War II
...that Estonia joined World War II in 1940, after the Soviet Union blockaded the country, a Finnish airliner was shot down and three diplomatic couriers were killed?
...that <a href="./Estonia" id="mwDRg" rel="mw:WikiLink" title="Estonia">Estonia</a> <b id="mwDRk"><a href="./Estonia_in_World_War_II" id="mwDRo" rel="mw:WikiLink" title="Estonia in World War II">joined World War II</a></b> in <a href="./1940" id="mwDRs" rel="mw:WikiLink" title="1940">1940</a>, after the <a href="./Soviet_Union" id="mwDRw" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a> <a href="./Blockade" id="mwDR0" rel="mw:WikiLink" title="Blockade">blockaded</a> the country, a <a href="./Finland" id="mwDR4" rel="mw:WikiLink" title="Finland">Finnish</a> <a href="./Kaleva_(airplane)" id="mwDR8" rel="mw:WikiLink" title="Kaleva (airplane)">airliner</a> was shot down and three <a class="mw-redirect" href="./Diplomatic" id="mwDSA" rel="mw:WikiLink" title="Diplomatic">diplomatic</a> <a class="mw-redirect" href="./Henry_W._Antheil,_Jr." id="mwDSE" rel="mw:WikiLink" title="Henry W. Antheil, Jr.">couriers were killed</a>?