How Time is Represented

 Before Christ  Used to date events before the birth of Jesus

 Anno Domini  Latin for In the Year of our Lord

 For many years, the terms B.C. and A.D. were used to date events. Today, however, with a growing understanding that not all people are Christians, new terms are frequently used.  B.C.→B.C.E  A.D.→C.E.  Both references in each case are still acceptable.

 Before Common Era

 Common Era

 recurring; done or performed every year; yearly

 taking place twice every year; semiannual

 a period of one hundred years

 A period of ten years

 A time period reckoned from a specific date; a time distinguished by a certain characteristic

 A period of one thousand years

 a group of twenty

 a simple diagram showing how dates and events relate to one another

 the time before written record

 beginning of written record of events

 Which time period were you born?  Which date occurred first 4 A.D. or 206 B.C.?  Which date is most recent 2011 B.C.E. or 2011 C.E.?  How long is “Four score and seven years ago?”  What decade were you born in?