The oldest surviving house that can be securely dated through an inscription was built in 1893.
The burial was securely dated to the Late Classic.
Few ornamental stones can be securely dated to an early period.
For example, consider an archaeological find of a burial that contains coins dating to 1588, 1595 and others less securely dated to 1590-1625.
Accordingly, almost 95 percent of his writings can be securely dated and then read against the political history of the time.
None of the individuals can be securely dated.
Only two of Duccio's surviving works can be securely dated.
The site has been securely dated to the Late Classical Period.
The fossils, which are securely dated, allow dates to be assigned to each fork in the genetic family tree.
Four other compositions that used this paper can be securely dated to 1781.