"Pope Clement XI (Latin: Clemens XI; 23 July 1649 – 19 March 1721), born Giovanni Francesco Albani, was head of the Catholic Church and ruler of the Papal States from 23 November 1700 to his death in 1721.
Clement XI was a patron of the arts and of science. He was also a great benefactor of the Vatican Library, his interest in archaeology is credited with saving much of Rome’s antiquity. He authorized expeditions which succeeded in rediscovering various ancient Christian writings and authorized excavations of the Roman catacombs." - (en.wikipedia.org 31.01.2020)
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