The most important social statement of the Roman Catholic Church in recent centuries has been a document known as Rerum Novarum * issued on May 15, 1891 by 81-year-old Leo XIII as a papal encyclical—an open letter to the bishops of the church.
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The most important social statement of the Roman Catholic Church in recent centuries has been a document known as Rerum Novarum * issued on May 15, 1891 by 81-year-old Leo XIII as a papal encyclical—an open letter to the bishops of the church.