The ruins have been dated variously from a.d. 700 to 1500.
The battle is variously dated between 1202 and 1205, but 1203 or 1204 has lately been given preference.
It is variously dated to the 12th or the 13th century.
It has been variously dated from 1408 to 1418.
His consecration, which has been variously dated from between 313 and 317, took place when he was 73 years of age.
This "Golden Age" is variously dated from the 8th to 12th centuries.
The language has been variously dated to the late 8th or early 9th century, or even the tenth.
It was variously dated in the past (11th, 12th, 13th century).
It is variously dated to c1425, 1425-1430 and 1431.
As a result, the siege has been variously dated to 707-708 and 708-709.