The <a href="https://en.wikipedia.org/wiki/Quietly_Confident_Quartet" id="mw4w" rel="mw:WikiLink" title="Quietly Confident Quartet">Quietly Confident Quartet</a> of <a href="https://en.wikipedia.org/wiki/Australia_at_the_1980_Summer_Olympics" id="mw5A" rel="mw:WikiLink" title="Australia at the 1980 Summer Olympics">Australia</a> wins the <a href="https://en.wikipedia.org/wiki/Swimming_at_the_1980_Summer_Olympics_–_Men's_4_×_100_metre_medley_relay" id="mw5Q" rel="mw:WikiLink" title="Swimming at the 1980 Summer Olympics – Men's 4 × 100 metre medley relay">men's 4 x 100 metre medley relay</a> at the <a href="https://en.wikipedia.org/wiki/1980_Summer_Olympics" id="mw5g" rel="mw:WikiLink" title="1980 Summer Olympics">Moscow Olympics</a>, the only time the United States has not won the event at Olympic level.