date, place and call to register for contribuling
<a href="//commons.wikimedia.org/wiki/User:Ad%C3%A9la%C3%AFde_Calais_WMFr" title="User:Adélaïde Calais WMFr">Adélaïde Calais WMFr</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>