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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.