The discovery of <a href="https://en.wikipedia.org/wiki/Buckminsterfullerene" id="mwARw" rel="mw:WikiLink" title="Buckminsterfullerene">Buckminsterfullerene</a>, the first <a href="https://en.wikipedia.org/wiki/Fullerene" id="mwAR0" rel="mw:WikiLink" title="Fullerene">fullerene</a> molecule of carbon.