Gregory XIII

noun

1. Ugo Buoncompagni, 1502–85, Italian ecclesiastic: pope 1572–85, educator and innovator of the modern calendar.

Gregory XIII

noun

1. Gregory XIII15021585MItalianRELIGION: pope 1502–85, pope (1572–85). He promoted the Counter-Reformation and founded seminaries. His reformed (Gregorian) calendar was issued in 1582

Example Sentences

To rectify this situation, Pope Gregory XIII initiated a new calendar in 1582.

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