Task: Text Categorization
Input (English): One pope of this name had all German churches read an encyclical written in German rather than Latin; that encyclical by a pope of this name was Mit brennender Sorge. Another pope of this name declared Rome an ""open city"" and was criticized as being the ""Pope of (+) Silence"" for his lack of action against the Holocaust. The longest-reigning pope had this name; that pope wrote the Syllabus of (*) Errors and was responsible for the dogma of the Immaculate Conception. For 10 points, give this papal name used by the twelfth, who reigned during World War II, and the ninth, who organized the First Vatican Council that decreed papal infallibility.
Output (English): History