Any text or images created for Days of Note are immediately released into the public domain, using the CC0 mark. Where CC0 is not recognised, CC-BY 3.0 may be used as a back-up licence.
Note that most images on the site were not created for Days of Note. They are usually CC-licensed images, or part of the public domain. Where copyright images are used, they are appropriately cited and either used with permission or used under fair use exception clauses.
CC licensed images are often sought out and preferred over other types, and their creators are always thanked for their generosity. All images not created for Days of Note are linked back to their source.