Origins of the Julian & Gregorian Calendars


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Which of these calendars initially used the concept of 12 months to a year with a leap year added in for good measure?

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1. Who decreed that three leap years should be removed every four hundred years?

2. The Gregorian calendar was initially adopted around:

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About This Quiz & Worksheet

This quiz and worksheet will assess your understanding of the history of the Julian and Gregorian calendars. In order to pass the quiz you will need to be familiar with the characteristics of each calendar.

Quiz & Worksheet Goals

In these short assessments you will be tested on what you know about:

  • How each calendar addressed leap years
  • Early influences on the Julian calendar
  • Initial adoption of the Gregorian calendar
  • Origin of the Julian calendar

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the lesson on the history of the Julian and Gregorian calendars
  • Information recall - access the knowledge you've gained regarding the key figures behind each calendar
  • Distinguishing differences - compare and contrast the Julian and Gregorian calendars
  • Knowledge application - use your knowledge to answer questions about the characteristics of each calendar

Additional Learning

To learn more about this topic, review the accompanying lesson called Origins of the Julian & Gregorian Calendars. This lesson on the history of astronomy has the following objectives:

  • Identify the purpose of calendars
  • Understand the origin of the Julian calendar and why it was eventually replaced
  • Recognize the characteristics of the Georgian calendar