World War II: <a href="https://en.wikipedia.org/wiki/Claus_von_Stauffenberg" id="mw2Q" rel="mw:WikiLink" title="Claus von Stauffenberg">Claus von Stauffenberg</a> and four fellow conspirators are executed for the <a href="https://en.wikipedia.org/wiki/20_July_plot" id="mw2g" rel="mw:WikiLink" title="20 July plot">July 20 plot</a> to assassinate Adolf Hitler.