On this day in 1858 in Lourdes, France, 14-year-old Bernadette Soubirous, a miller's daughter, first had visions of the Virgin Mary that were authenticated by Pope Pius IX in 1862, initiating the cult of Our Lady of Lourdes.
| 1989: | | Reverend Barbara Harris of the Protestant Episcopal Church became the first female bishop of an apostolic succession church. |
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| 1945: | | The Yalta Conference between the Allied leaders of World War II came to a close. |
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| 1929: | | A committee met in Paris to devise the Young Plan, a revision of the Dawes Plan of 1924, that renegotiated Germany's reparations for World War I. |
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| 1929: | | | Benito Mussolini of Italy and Pietro Gasparri of the Vatican signed the Lateran Treaty, recognizing papal sovereignty over Vatican City, an enclave in Rome. |
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| 1847: | | | American inventor Thomas Edison, who, singly or jointly, held a world record of 1,093 patents and who played a critical role in introducing the modern age of electricity, was born. |
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