#1 Conversion of AD era , 57 is added to AD.

#2 To get SAKA era from AD era , 78 is subtracted from AD.

#3 The study of past is called

#4 The word history is derived from

#5 who has the claim of first real historian of the world

#6 The father of modern history is

#7 BC is

#8 What is time line

#9 First decade of 20 th century AD means

#10 how many years MILLENIUM has

#11 6th century bc means

#12 Kali ERA was from ….. BC

#13 Saptarshi era from …… BC

#14 Kalchuri era from …… AD

#15 Gupta era from ….. AD

#16 kollam era from ….. AD

#17 Conversion of AD of christian era in Vikrama era

#18 Conversion of SAKA era into AD era

#19 Conversion of AD era into saka era

#20 The time period for historic period

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