The present-day calendar,which includes leap years and century-year exclusion,was introduced by:
A) Karl Marx in 1917.
B) Julius Caesar in 50 b.c.
C) Ptolemy in the second century b.c.
D) Pope Gregory XIII in 1582.

Question

Quizplus · Accepted Answer

The present-day calendar with leap years and century year exclusion is known as the Gregorian calendar, named after Pope Gregory XIII who introduced it in 1582. It replaced the Julian calendar introduced by Julius Caesar in 46-45 BC.

The Present-Day Calendar,which Includes Leap Years and Century-Year Exclusion,was Introduced