...
- id (integer : unique identifier)
- gbdatedisplay (String: English display text translation)
- datetype (Controlled list : Day, YearDate, Before, After, Circa, Period, Century, Decade, Millenium, CenturyByFirstYear)
- dateto (integer: Latest date)
- datefrom (integer: Earliest date)
- dateextent (Controlled list : 1st half, 2nd half, 1st quarter, 2nd quarter, 3rd quarter, 4th quarter, beginning of, end of, middle of)
- datedisplay (String: Danish display text )
...