title: Wordpress - archive page: list posts by year
body: <p>I need to get something like this:</p>
  <h1>2014</h1>
  <ul>
  <li>post 1</li>
  <li>post 2</li>
  <li>post 3</li>
  <li>post 4</li>
  </ul>
  <h1>2013</h1>
  <ul>
  <li>post 1</li>
  <li>post 2</li>
  <li>post 3</li>
  </ul>
  <p>How can I achieve this?</p>