<a href="https://en.wikipedia.org/wiki/Cold_War" id="mwARk" rel="mw:WikiLink" title="Cold War">Cold War</a>: Start of the <a href="https://en.wikipedia.org/wiki/Berlin_Blockade" id="mwARo" rel="mw:WikiLink" title="Berlin Blockade">Berlin Blockade</a>: The Soviet Union makes overland travel between West Germany and <a href="https://en.wikipedia.org/wiki/West_Berlin" id="mwARs" rel="mw:WikiLink" title="West Berlin">West Berlin</a> impossible.