<a href="https://en.wikipedia.org/wiki/Grover_Cleveland" id="mwfw" rel="mw:WikiLink" title="Grover Cleveland">Grover Cleveland</a> notices a rough spot in his mouth and on July 1 undergoes <a href="https://en.wikipedia.org/wiki/Grover_Cleveland#Cancer" id="mwgA" rel="mw:WikiLink" title="Grover Cleveland">secret, successful surgery</a> to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.