On Thursday, all living presidents and spouses attended Jimmy Carter's funeral, except Michelle Obama. Here's why.

Jimmy Carter was the first U.S. president to live to be 100 years old — a feat made even more incredible by the fact that he was alive for 40% of the nation’s history. When Carter was born in 1924, former President Calvin Coolidge was nearing the end of his first term and was just a month away from his second presidential election.

The life of former President Jimmy Carter was celebrated on Thursday by family, friends, and leaders –including the five living men who have also served as president: Joe Biden, Donald Trump, Barack Obama,

Past and present occupants of the White House will gather in Washington on Thursday to attend former President Jimmy Carter's state funeral. While a few of the U.S. presidents have joined together for events occasionally,