WhatsDay is a free app that encourage users to learn more from the history. The contents are under the doctrine of fair use.
The materials using in this app is from Wikipedia which the materials itself is used under the terms of the Creative Commons Attribute Share-Alike license (CC-BY-SA) and GFDL.
We try hard to identify the sources and licenses of all media such as text and images. Still, we cannot guarantee that all media are used or marked correctly.