History: History is a chronological account of events as they took place in the past. Why should we study History: What Where, How and When? i) We should study history as it tells us about our past. ii) It gives us understanding about our ancient culture and lifestyle. iii) It helps us to solve the problems of the present day world. Time frames of History: i) Historians use chronological sequence for a better understanding. Birth of Jesus Christ has been taken as year zero. ii) Any event before Christ is called Before Christ (BC) and an’,’ event after the birth of Jesus is called Anno Domini (AD). iii) Timeline of…