Pope
Pope Leo XIII
Pope from 1878 to 1903
Pope Leo XIII, who reigned as Roman Pontiff from 1878–1903.
Background
Pope Leo XIII inaugurated modern Catholic social teaching with the encyclical Rerum Novarum (1891) on the rights of workers, promoted the revival of Thomistic philosophy (Aeterni Patris), and fostered devotion to the Rosary.
Summary
Pope Leo XIII, who reigned as Roman Pontiff from 1878–1903.
Papacy began
1878
Papacy ended
1903
Birth name
Vincenzo Gioacchino Pecci