Which one of the following was the main feature of Medieval age?

The beginning of Mohammadan Era is called

The muslim conquered almost all the holy places of christians to spread Islam by the

The Arabs invaded and conquered sindh in the year

The Muslims holy book "Quran" was translated into  language?

The Eastern European empire began in

The Roman Empire decline in the

Mohammas was born at Mecca in Arabia in the year.

Which one of the following city was renamed as Constantinople?

The period between ancient and modern ages is generally named as