The 8th century.
The first century AD
This is a year in the 13th century AD.
The 2nd century AD.
Charles Martel died on October 22, in the year AD 741.
The year 705 AD is in the 7th century.
4 AD is in the 1st century. The 1st century spans from the year 1 AD to the year 100 AD. Therefore, 4 AD falls within this timeframe.
The sixth century AD covers the years from 501 AD to 600 AD.
1150 AD is in the 12th century.
1000 AD
Both. It was the last year of the 21st century BC, and the first year of the 21st century AD.
any year after AD 800 and before AD 901
any year after AD 800 and before AD 901