Definition of Gregory XIII in English:

Gregory XIII

Line breaks: Greg|ory XIII
( 1502–85), pope 1572–85. The Gregorian calendar, still in use, was introduced in 1582 as a result of his efforts to correct the errors in the Julian calendar.

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Word of the day semblance
Pronunciation: ˈsɛmbləns
noun
the outward appearance or apparent form of something…