<a href="https://en.wikipedia.org/wiki/Robert_Mugabe" id="mwAZ8" rel="mw:WikiLink" title="Robert Mugabe">Robert Mugabe</a> formally resigns as President of <a href="https://en.wikipedia.org/wiki/Zimbabwe" id="mwAaA" rel="mw:WikiLink" title="Zimbabwe">Zimbabwe</a>, after thirty-seven years in office.