The date on which the Dimension value was recorded.
How to record
Always record the day, month and year in the same order. Always use the same character to separate each component. Be as specific as possible and indicate if the date is not known. Record all four digits for the year. This information is of particular importance to record changes during conservation.
08/10/1990; 06/1972; 1899; 2017-12-17
Record once only for a Dimension value.