A sign wishing former President Jimmy Carter a happy 100th birthday sits on the North Lawn of the White House in Washington, D.C., on Oct. 1, 2024.

The White House celebrated former President Jimmy Carter's milestone 100th birthday Tuesday with a giant "100" sign decked out on the North Lawn during a rainy day in the nation's capital.

Jimmy Carter is the first American president to reach 100. Locals in his hometown of Plains, Ga., are celebrating the man they know as “Mr. Jimmy.” ...