2008 Irish flash floods
... that the 2008 Irish flash floods submerged one of the busiest roads in Northern Ireland under six metres of water?
... that the <b id="mwA00"><a class="mw-redirect" href="./2008_Irish_flash_floods" id="mwA04" rel="mw:WikiLink" title="2008 Irish flash floods">2008 Irish flash floods</a></b> submerged one of the busiest <a href="./Roads_in_Ireland#Roads_in_Northern_Ireland" id="mwA08" rel="mw:WikiLink" title="Roads in Ireland">roads in Northern Ireland</a> under six metres of <a href="./Water" id="mwA1A" rel="mw:WikiLink" title="Water">water</a>?