Pope Francis' first encyclical will be published on Friday, July 5, the Vatican has announced.

The encyclical was begun by Benedict XVI and finished by Pope Francis in recent months. It is entitled "Lumen Fidei," which means "The Light of Faith."

The papal document will be presented at a press conference by Cardinal Marc Ouellet, P.S.S., prefect of the Congregation for the Doctrine of the Faith, and Archbishop Rino Fisichella, president of the Pontifical Council for Promoting the New Evangelization.