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Mexico outlaws Catholicism
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Servant of God Dorothy Day converts to Catholicism
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Bl. Miguel Pro is killed by the Mexican government
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Day founds the Catholic Worker newspaper
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St. Maximilian Kolbe is killed by the Nazis at Auschwitz
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Pope St. John XXIII calls the Church council that will become known as Vatican II
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Pope St. John Paul II survives an assassination attempt ordered by the KGB (the Soviet intelligence agency)