<a href="https://en.wikipedia.org/wiki/Second_Vatican_Council" id="mw6Q" rel="mw:WikiLink" title="Second Vatican Council">Second Vatican Council</a>: The third session of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Roman_Catholic_Church" id="mw6g" rel="mw:WikiLink" title="Roman Catholic Church">Roman Catholic Church</a>'s <a href="https://en.wikipedia.org/wiki/Ecumenical_council" id="mw6w" rel="mw:WikiLink" title="Ecumenical council">ecumenical council</a> closes.