During the fourth day of celebrating its 400th anniversary, the city of <a href="https://en.wikipedia.org/wiki/Caracas" id="mwAQY" rel="mw:WikiLink" title="Caracas">Caracas, Venezuela</a> is shaken by <a href="https://en.wikipedia.org/wiki/1967_Caracas_earthquake" id="mwAQc" rel="mw:WikiLink" title="1967 Caracas earthquake">an earthquake</a>, leaving approximately 500 dead.