Chinese people used _ of their emperors to count the years.

(a)  

Nowadays, many countries use the _ calendar

(a)  

The Christian calendar begins with the birth of _ in _.

(a)  

The years before the birth of Jesus are called _ (BC).

(a)  

The years after the birth of Jesus are called _ (AD).

(a)  

10 years = 1 _

(a)  

100 years = 1 _

(a)  

1000 years = 1 _

(a)  

Prehistoric times is the time before man could _.

(a)  

_ is the time before man could write.

(a)  

Historic times began when people learnt to write in _ and _ in about _ BC.

(a)  

_ began when people learnt to write in pictures and alphabets in about 4000 BC.

(a)  

Ancient Times ( _ BC-AD _ )

(a)  

_ Times ( 4000 BC-AD 476 )

(a)  

Ancient Times began when people learn how to _.

(a)  

Ancient Times ended when the _ collapsed.

(a)  

Medieval Times / Middle Ages (AD _-AD _)

(a)  

_ / _ (AD 476-AD 1492)

(a)  

Medieval Times / Middle Ages began when the _ collapsed.

(a)  

Medieval Times / Middle Ages ended when _.

(a)  

Modern Times (AD _-AD _ )

(a)  

_ (AD 1492-AD 1914)

(a)  

Modern Times began when _.

(a)  

Modern Times ended with the outbreak of _.

(a)  

Contemporary Times(AD _-NOW)

(a)  

_ (AD 1914-NOW)

(a)