title: Sort string list with dates in C#
body: <p>I have a <code>List&lt;string&gt;</code> with dates.<br>
  My list is:</p>
  
  <pre><code>{"01/01/2013","10/01/2013","20/01/2013"}
  </code></pre>
  
  <p>I want to sort the list to look like this:</p>
  
  <pre><code>{"20/01/2013","10/01/2013","01/01/2013"}
  </code></pre>
  
  <p>How can I make this?</p>