Pope Gregory XIII, born Ugo Boncompagni, was Pope from 1572 to 1585. Pope Gregory XIII lived his life intriguing and sowing the seeds of discord. But most of Gregory’s evil deeds were forgotten, and now he is known only as Pope who glorified his name by introducing the new Gregorian calendar, which we follow now.

Originally released by First American Media Group, Inc., 2012. Streaming video file encoded with permission for digital streaming by Infobase on September 13, 2016.

Pope Gregory XIII: Famous Popes (6:59); .