Page not found (404)

Request Method: GET
Request URL: https://www.valdavid.com/calendrier-citoyen/echeance-candidatures-comite-aide-financiere%2C5/2017/05/

No CitizenEvents matches the given query.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.