<a href="https://en.wikipedia.org/wiki/Pope_Sergius_IV" id="mwHg" rel="mw:WikiLink" title="Pope Sergius IV">Pope Sergius IV</a> becomes the 142nd pope, succeeding <a href="https://en.wikipedia.org/wiki/Pope_John_XVIII" id="mwHw" rel="mw:WikiLink" title="Pope John XVIII">Pope John XVIII</a>.