#OTD in 1612, the death of Christopher Clavius, SJ, a #Jesuit scientist and mathematician. He was the main reformer of what has become known as the Gregorian calendar. pic.twitter.com/XnHFQ8EwVH
— Jesuit News (@jesuitnews) February 6, 2021
#OTD in 1612, the death of Christopher Clavius, SJ, a #Jesuit scientist and mathematician. He was the main reformer of what has become known as the Gregorian calendar. pic.twitter.com/XnHFQ8EwVH
— Jesuit News (@jesuitnews) February 6, 2021
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