The <a href="https://en.wikipedia.org/wiki/Llandow_air_disaster" id="mwvQ" rel="mw:WikiLink" title="Llandow air disaster">Llandow air disaster</a> kills 80 people when the aircraft they are travelling in crashes near <a href="https://en.wikipedia.org/wiki/Sigingstone" id="mwvg" rel="mw:WikiLink" title="Sigingstone">Sigingstone</a>, <a href="https://en.wikipedia.org/wiki/Wales" id="mwvw" rel="mw:WikiLink" title="Wales">Wales</a>. At the time this was the world's deadliest air disaster.<sup about="#mwt105" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-19"}}' id="cite_ref-19" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_12#cite_note-19" id="mwwA" style="counter-reset: mw-Ref 19;"><span class="mw-reflink-text" id="mwwQ">[19]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-19"><cite about="#mwt102" class="citation news cs1" id="CITEREFHarries2019">Harries, Robert (26 May 2019). <a class="external text" href="https://www.walesonline.co.uk/news/wales-news/welsh-rugby-fans-who-perished-16333426" id="mwClE" rel="mw:ExtLink nofollow">"The Welsh plane crash which became the world's worst air disaster"</a>. <i id="mwClI">walesonline</i><span class="reference-accessdate" id="mwClM">. Retrieved <span class="nowrap" id="mwClQ">11 January</span> 2020</span>.</cite><span about="#mwt102" class="Z3988" id="mwClU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=walesonline&amp;rft.atitle=The+Welsh+plane+crash+which+became+the+world%27s+worst+air+disaster&amp;rft.date=2019-05-26&amp;rft.aulast=Harries&amp;rft.aufirst=Robert&amp;rft_id=https%3A%2F%2Fwww.walesonline.co.uk%2Fnews%2Fwales-news%2Fwelsh-rugby-fans-who-perished-16333426&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+12"></span></span>