Frank Buckles, the last living America WWI veteran, passed away yesterday at 110 years of age. (navytimes) NYTimes on same.

“I told him birth certificates were not made in Missouri when I was born, that the record was in a family Bible. I said, ‘You don’t want me to bring the family Bible down, do you?’ ” Buckles said with a laugh. “He said, ‘OK, we’ll take you.’ ”
He enlisted Aug. 14, 1917, serial number 15577.