Why Everyone’s Talking About ‘Rerum Novarum’ Again

May 19, 2025 by Kateri

Pope Leo XIII (r. 1878-1903) promulgated the landmark social encyclical ‘Rerum Novarum’ in 1891.

COMMENTARY: A pope named Leo, a world in flux, and a Church seeking direction — the landmark 1891 social encyclical rises to meet the moment.

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