ATLANTA — Officials at the Carter Presidential Center in Atlanta have announced that the Jimmy Carter Library and Museum will be open with free admission today beginning at 9:30 a.m. for the National Day of Mourning. Mourners are welcome to visit, remember President Carter, and pay their respects.

A national day of mourning is a day to honor and pay respects to a revered public figure who has died. Here's what else to know.

Former U.S. President Jimmy Carter will be honored with the pageantry of a funeral in the nation’s capital and second service in his tiny Georgia hometown that launched a Depression-era farm boy to th