<a href="https://en.wikipedia.org/wiki/San_Juanico_disaster" id="mw1g" rel="mw:WikiLink" title="San Juanico disaster">San Juanico disaster</a>: A series of explosions at the <a href="https://en.wikipedia.org/wiki/Pemex" id="mw1w" rel="mw:WikiLink" title="Pemex">Pemex</a> <a href="https://en.wikipedia.org/wiki/Petroleum" id="mw2A" rel="mw:WikiLink" title="Petroleum">petroleum</a> storage facility at San Juan Ixhuatepec in Mexico City starts a major fire and kills about 500 people.