My ggg grandfather died on February 25, 1873. On the tombstone it says that he was 33 years 10 months and 18 days of age. How do you figure his exact birthdate. I know there is some kind of formula to use, but I don't know what it is. I would appreciate your help. Thanks, Cassie (please email personally cdhouse@juno.com) ___________________________________________________________________ Get the Internet just the way you want it. Free software, free e-mail, and free Internet access for a month! Try Juno Web: http://dl.www.juno.com/dynoget/tagj.