<bdi><a href="https://en.wikipedia.org/wiki/en:Pietro_Lorenzetti" class="extiw" title="w:en:Pietro Lorenzetti"><span title="Italian painter">Pietro Lorenzetti</span></a>
</bdi>
probably 1340,
<a rel="nofollow" class="external free" href="http://www.nga.gov/content/ngaweb/Collection/art-object-page.892.html">http://www.nga.gov/content/ngaweb/Collection/art-object-page.892.html</a>