Leo XIII

Gioacchino Vincenzo Raffaele Luigi Pecci · 20 Feb 1878 – 20 Jul 1903 · 25 yrs · died

Wrote the encyclical on workers' rights that started Catholic social teaching. Reigned until he was 93.

Did

Issued Rerum Novarum (1891) on labor, wages, and unions.
Opened the Vatican Archives to scholars.

Didn't

Reconcile with Italy; the Vatican standoff continued.

From the record

Pope Leo XIII was head of the Catholic Church from 1878 until his death in 1903. He had the fourth-longest reign and third-longest verified reign of any pope, behind those of St. Peter, Pius IX, and John Paul II.

Summary from Wikipedia, CC BY-SA 4.0.

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