Jimmy Carter and his hometown of Plains celebrate the 39th president's 100th birthday

ATLANTA (AP) — Jimmy Carter reached his 100th birthday Tuesday, the first time an American president has lived a full century and the latest milestone in a life that took the son of a Depression-era farmer to the White House and across the world as a Nobel Peace Prize-winning humanitarian and advocate for democracy.

Living the last 19 months in home hospice care in Plains, the Georgia Democrat and 39th president has continued to defy expectations, just as he did through a remarkable rise...