History is the study of mankind's past through examining what happened, when, where, why and how. There are different ways to measure and understand history, including linear history of a nation growing and expanding over time, cyclical history where nations rise and fall in cycles, and imperial history focused on empires. Dating systems for historical events include B.C./B.C.E. for years before Christ and A.D./C.E. for years after, with no year zero between 1 B.C.E. and 1 C.E.

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What is History ?

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Why Study History ?
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History:
His = Mankind
Story = what, when, where
why and how
The study of mankind's past

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Measuring History
Linear History

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Cyclical History
Nation
grows
Nation
expands
Nation
declines

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Imperial History

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B.C. = “Before the birth of Christ”
B.C.E. = Before the Common Era
A.D. = Anno Domini -Latin
“In the year of our Lord”
The years since the birth of Jesus
C.E. = the Common Era
Year Zero ? No
1 B.C.E to 1 C.E.