Achille Ratti

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Achille Ratti, later known as Pope Pius XI, was the head of the Catholic Church from 1922 to 1939 and is noted for signing the Lateran Treaty establishing Vatican City as an independent state.

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Full triples — surface form annotated when it differs from this entity's canonical label.

Pope Pius XI birthName Achille Ratti
Archbishop of Milan notableHolder Achille Ratti