SS 9 HISTORICAL TIME NUMBERING THE CENTURIES NUMBERING
SS 9: HISTORICAL TIME NUMBERING THE CENTURIES
NUMBERING THE CENTURIES: TERMS TO LEARN B. C. means “Before Christ. ” A. D. means “Anno Domini” or “In the Year of Our Lord. ” B. C. E. means “Before Common Era. ” (B. C. ) C. E. means “Common Era. ” (A. D. ) Important: It is extremely important to remember that if there are not any letters following a date, then the date is automatically A. D.
HISTORICAL TIME: CENTURIES A. D. 1 st Century A. D. = 1 A. D. – 100 A. D. 2 nd Century A. D. = 101 A. D. – 200 A. D. 3 rd Century A. D. = 201 A. D. – 300 A. D. th 4 Century A. D. = 301 A. D. – 400 A. D. th 5 Century A. D. = 401 A. D. – 500 A. D. and so on………………… 21 st Century A. D. = ? ? ? ? ? Remember: There is no year “ 0” so, since a century is 100 years, the centuries start at year one and continue for one hundred years. So the year 2000 is in the 20 th century, but the year 2001 is the beginning of the new century, so it is in the 21 st century.
HISTORICAL TIME: CENTURIES B. C. Now let’s look at the way we number centuries in B. C. 1 st Century B. C. = 1 B. C. – 100 B. C. 2 nd Century B. C. = 101 B. C. – 200 B. C. 3 rd Century B. C. = 201 B. C. – 300 B. C. and so on………………… Remember: When we date things today, we know that as the numbers get larger, the date is later. This is not the way it works when we look at B. C. dates. If a B. C. date is smaller than another, it happened later. For example: 1 B. C. happened after 22 B. C.
LET’S TRY THESE TOGETHER: • • • 1. 1401 A. D. 4. 1 A. D. 7. 1701 A. D. 2. 901 B. C. 3. 1650 A. D. 5. 1591 B. C. 6. 1989 8. 1785 B. C. E. 9. 200 C. E.
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