The dropdown doesn&#x27;t help you with &quot;fourth Thursday in November&quot; though, and the calendar button launches a popup window that doesn&#x27;t work. On archive.org at least -- may have worked at the time, but I disable popups, so...<p>Pretty sure my thought process was: need a Thanksgiving flight -&gt; when is Thanksgiving this year? -&gt; run cal(1) -&gt; let&#x27;s book.