Achille Ratti

During most of those two decades Achille Ratti reigned as Pope Pius XI, a pope whose efforts to promote social Catholicism included the establishment of the Feast of Christ the King in 1925 and the encyclical Quadragesimo Anno in 1931, an encyclical whose stated aim was nothing less than "reconstructing the social order and perfecting it conformably to the precepts of the Gospel."

G.K. Chesterton and Heinrich Pesch 2008

PIUS XI (Achille Ratti) was elected pope on the demise of Benedict XV (Jan. 22).

1922, Feb. 6 2001

Pope Pius XI was formerly Achille Ratti, a scholarly clergyman and librarian who spent 45 years of his life presiding over two great scholarly collections, the Ambrosian Library in Milan and the Vatican Library in Rome.

Everyday Citizen 2008