The <a href="https://en.wikipedia.org/wiki/Airship" id="mwqw" rel="mw:WikiLink" title="Airship">dirigible</a> <i id="mwrA"><a href="https://en.wikipedia.org/wiki/Wingfoot_Air_Express_crash" id="mwrQ" rel="mw:WikiLink" title="Wingfoot Air Express crash">Wingfoot Air Express</a></i> crashes into the Illinois Trust and Savings Building in <a href="https://en.wikipedia.org/wiki/Chicago" id="mwrg" rel="mw:WikiLink" title="Chicago">Chicago</a>, killing 12 people.