Is Rerum Novarum a Socialist Manifesto?

September 25, 2022 Michael D. Greaney 26

Pope Leo XIII’s 1891 encyclical, Rerum Novarum, while not the first social encyclical, was still a revolutionary document, albeit within the bounds of natural law and the Magisterium. Previous social encyclicals, beginning with Mirari Vos […]


The story of the first social encyclical

July 19, 2022 Michael D. Greaney 24

In 1832, responding to drastic social, political, and economic changes spreading chaos throughout society, Pope Gregory XVI issued Mirari Vos, “On Liberalism and Religious Indifferentism” — the first social encyclical. Previous encyclicals (letters by popes […]