theme/templates/period_archives.html

{% extends "base.html" %}
{% block archclass %} class="active"{%endblock%}

{% block content %}

<dl>
    {% for year, date_year in dates|groupby( 'date.year' )|sort(reverse=True) %}  
            <h3><a href="{{SITEURL}}/{{year}}"  class="text">Archive for {{ year }}</a></h3>
            <ul class="archive-list">
            {% for article in date_year %}
                <li><span class="text-muted">{{article.locale_date}} &raquo; </span><a href="{{ SITEURL }}/{{ article.url }}">{{article.title}}</a></li>   
            {% endfor %}
     </ul>
    {% endfor %}
</dl>
{% endblock %}