Flags have flown at half-staff since the death of former President Jimmy Carter on Dec. 29. The official mourning period concludes Monday.

The White House ordered public flags to be displayed at half-staff for a period of 30 days from Carter's day of death, who died Dec. 29. Flags are flown at half-mast on ships and at naval stations. On shore, flags are flown at half-staff, meaning the flagpole is attached to a building or stuck in the ground.

As we absorb the many tributes written upon the death of former President Jimmy Carter, younger Americans born after his presidency are learning that he was a man of many firsts. Those achievements include the longest-lived president at 100,