The year 1864 AD falls in the 19th century. The 19th century encompasses the years from 1801 to 1900. Therefore, 1864 is clearly within that range.
The 8th Century AD, which is also the 8th Century CE.
72AD was in the 1st century AD.
The year 705 AD is in the 7th century.
1150 AD is in the 12th 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.
AD 1864 was the 19th century (1800-1899).
-99
The 8th Century AD, which is also the 8th Century CE.
1800 is the last year of the 18th century.
1st century AD
It is the first century AD.
The 1st century AD.
It is the 18th century AD.
The first century AD.
It is the second century AD.
The 1st century AD.
The 1st century AD.