The <a href="https://en.wikipedia.org/wiki/1939_Chillán_earthquake" id="mwng" rel="mw:WikiLink" title="1939 Chillán earthquake">deadliest earthquake in Chilean history</a> strikes <a href="https://en.wikipedia.org/wiki/Chillán" id="mwnw" rel="mw:WikiLink" title="Chillán">Chillán</a>, killing approximately 28,000 people.