Looking at the way Tableau formats dates, anything pre 1900 is coming through as - number and turn to nulls at 400AD.
I got the numbers a little bit wrong, apparently there are more leap years than one in four (who knew?!), but please find attached a workbook reviewing this:
With this in mind, I'm not sure whether tableau is currently able to do what you would lke
Years.twbx 81.2 KB