These are one-a-day banners for the #wikiwomeninred twitter feed. They are made by userr:victuallers based on screenshots on en:wikipedia pages. The publishing date is in the file title and the title of the pages used are included in the image.
<a href="//commons.wikimedia.org/wiki/User:Victuallers" title="User:Victuallers">Victuallers</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>