DATE RANGE

A DATE_RANGE refers to an event that occurred on a single date somewhere in the date range specified and is thus different to a DATE_PERIOD.

DATE_RANGE:= {Size=8:35}
[
  BEF <DATE> |
  AFT <DATE> |
  BET <DATE> AND <DATE>
]

Examples

The following are equivalent and interchangeable

Short form	Long Form
1852	BET 1 JAN 1852 AND 31 DEC 1852
1852	BET 1 JAN 1852 AND DEC 1852
1852	BET JAN 1852 AND 31 DEC 1852
1852	BET JAN 1852 AND DEC 1852
JAN 1920	BET 1 JAN 1920 AND 31 JAN 1920