On the Second Sunday of Easter of the Jubilee Year 2000, at the Mass for the canonization of St. Faustina Kowalska, Pope John Paul II proclaimed to the world that “from now on throughout the Church this Sunday will be called Divine Mercy Sunday.”
A Belgian priest named Georges Lemaître first suggested the big bang theory in the 1920s when he theorized that the universe began from a single primordial atom.