Question

Please answer the question :
How do historian measure time in history? How are time periods demarcated by them ?

Answer 1

Answer:

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Answer 2

Answer:

Historians use dates to help them to do this and use a number of ways to measure time. Most of the world measures time by saying that something happened either before or after the birth of Christ. To do this, they use the words BC (Before Christ) . AD (Anno Domini-which means in the year of the Lord).

Explanation:

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