Dr. Todd Arrington: All mothers are important, of course, but one of the most important mothers in American history was born on this day in 1784. Nancy Hanks married Thomas Lincoln in 1806. Their second child, born Feb. 12, 1809, was a son they named Abraham. She died at age 34 in 1818. Image: Appalachian History.

All mothers are important, of course, but one of the most important mothers in American history was born on this day in 1784. Nancy Hanks married Thomas Lincoln in 1806. Their second child, born Feb. 12, 1809, was a son they named Abraham. She died at age 34 in 1818. Image: Appalachian History.