diff --git a/_includes/footer.html b/_includes/footer.html
index 8af31f13..bea8ae77 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -26,4 +26,4 @@
 </div>
 {% endif %}
 
-<div class="page__footer-copyright">&copy; {{ site.time | date: '%Y' }} <a href="{{ site.copyright_url | default: site.url }}">{{ site.copyright | default: site.title | escape_once | strip }}</a>. {{ site.data.ui-text[site.locale].powered_by | default: "Powered by" }} <a href="https://jekyllrb.com" rel="nofollow">Jekyll</a> &amp; <a href="https://mademistakes.com/work/jekyll-themes/minimal-mistakes/" rel="nofollow">Minimal Mistakes</a>.</div>
+<div class="page__footer-copyright">&copy; {% assign site_time = site.time | date: '%Y' %}{% if site.footer.since and site_time != site.footer.since %}{{ site.footer.since }} - {% endif %}{{ site_time }} <a href="{{ site.copyright_url | default: site.url }}">{{ site.copyright | default: site.title | escape_once | strip }}</a>. {{ site.data.ui-text[site.locale].powered_by | default: "Powered by" }} <a href="https://jekyllrb.com" rel="nofollow">Jekyll</a> &amp; <a href="https://mademistakes.com/work/jekyll-themes/minimal-mistakes/" rel="nofollow">Minimal Mistakes</a>.</div>