>Yes - I understand this - it would just be nice if the built-in functions did too!
>
>>Date math fails here because the calendars are different. You would need to claculate the number of days from Charlemagne's birth to the adoption of the Gregorian calendar and then add the number of days from the Gregorian Calendar to the death of Lincoln.

Charles the Great does not show up in many data bases, as far I can see. <g>

Peter