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SAI INTERNATIONAL SCHOOL
                                                      HISTORY
                                CH- TIMELINE AND SOURCES OF HISTORY
                                                     MINDMAP-2

                        SUB-TOPIC - HOW IS TIME MEASURED IN HISTORY?


                                      TIME IS MEASURED




                    who study the physical feature of the earth like soil, stones hill etc.


                                                                CALENDER-a chart or series of pages
                  ERA- A distinct period of time
                                                            showing the days, weeks, and months of a
                                                                 particular year, or giving particular
                                                                        seasonal information.


                   CE-the period from
                   the birth of Jesus                                    Gregorian
                   Christ OR we can                                      calendar-The
                   also say                                              Gregorian
                   AD-stands for Anno                                    calendar is
                   Domini                                                the solar calendar

                                                                         used by most of
                                                                         the world today. It
                                                                         was introduced in
                                                                         1582 by Pope
               BC- before Christ                                         Gregory XIII.

               BCE-BCE stands
               for Before Common
               Era.







                                                   .Century: It is any
                                                   period of 100 years.

                                                   Millennium: It is any
                                                   period of 1,000 years.
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