St. Juliana of Mt. Cornillon
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The Belgian St. Juliana of Mt. Cornillon (born 1192 Retinnes, Flanders, Belgium), (died 5 April 1258 at Villiers), saint and visionary was a significant member of the Augustinian convent of Mount Cornillon. Orphaned at age 5, she took the veil at age 13. In 1225 she became prioresss, and in 1230 she was elected Mother Superior of her Augustinian Monastery. Her principal contribution to the universal church was a specific devotion to the Blessed Sacrament, a matter in which she deeply influenced St. Thomas Aquinas; so much so as to motivate him to compose a special office to honour the Blessed Sacrament. It was Juliana who successfully urged Pope Urban IV (former Archdeacon of Liege) to formally declare the date of the feast of Corpus Christi for the whole church.
In 1264, Pope Urban IV published a papal bull, ordering that the Feast of the Blessed Sacrament be celebrated on the Thursday after Trinity Sunday. She was beatified by Pope Pius IX in 1869, and further celebrated by Pope John Paul II, who wrote a letter mentioning her on the 750th Anniversary of the Feast of Corpus Christi.
