Humani generis unitas

Encyclical drafted before the death of Pope Pius XI in 1939

Humani generis unitas was a draft for an encyclical planned by Pope Pius XI before his death on February 10, 1939. The draft text condemned antisemitism, racism and the persecution of Jews. Because it was never issued, it is sometimes referred to as "The Hidden Encyclical" or "The Lost Encyclical". Humani generis unitas was written by three Jesuits under the leadership of John LaFarge. The draft text remained secret until published in 1995 in France and in 1997 in English as The Hidden Encyclical of Pius XI.

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