“Pragmatica” on the Ten Days of the Year
This work is the first known South American imprint. It consists of a four-page edict, issued by King Philip II of Spain, decreeing the change from the Julian to the Gregorian calendar. In order to bring the calendar back into line with the seasons, in February 1582 Pope Gregory XIII deleted ten days from the year 1582, so that October 4, 1582, of the Julian calendar was followed immediately by October 15, 1582, in the new Gregorian calendar. This work was produced in 1584 by Antonio Ricardo, an Italian typographer ...
Enlightening the Bewildered about the New Calendar
Xin li xiao huo (Enlightening the bewildered about the new calendar) is by Tang Ruowang, the Chinese name of Johann Adam Schall von Bell (circa 1592–1666), the German Jesuit missionary and astronomer who became an important adviser to the first emperor of the Qing dynasty. Schall had trained in Rome in the astronomical system of Galileo. He arrived in Macao in 1619, where he studied Chinese and mathematics, and reached the Chinese mainland in 1622. After impressing the Chinese with the superiority of Western astronomy by correctly predicting the ...