1984 was in the 20th century.
72AD was in the 1st century AD.
20th century
The year 705 AD is in the 7th century.
1150 AD is in the 12th century.
There was no year zero century or year zero. 1 AD immediately followed 1 BC. The first century AD immediately followed the first century BC. There was no century between them.
It is the 18th century AD.
The first century AD.
The 1st century AD.
It is the first century AD.
1st century AD
The 1st century AD.
The 3rd Century AD.
It is the second century AD.
It is the first century AD.
The first century AD.
The 1st century AD.
AD 1605 was in the 17th century.