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.

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.

A sign wishing former President Jimmy Carter a happy 100th birthday sits on the North Lawn of the White House in Washington on Tuesday, Oct. 1, 2024. (AP Photo/Susan Walsh) ...

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.” ...