As former U.S. President Jimmy Carter's funeral got underway, former presidents and first ladies were seen greeting each other before heading to their seats — but some pointedly avoided the Trumps

Many were quick to notice Michelle Obama's absence on Inauguration Day, but the former first lady had a message to share on social media as questions over why didn't attend swirl.

Which president had the longest inaugural address? Which has been sworn in the most? Which ended the ceremony’s top-hat tradition? Here are some tidbits you might not know about Inauguration Day.

President-elect Donald Trump selected opera tenor Christopher Macchio to perform the national anthem at the inauguration. Here's a list of some singers at previous presidential inaugurations.

Michelle Obama was the only spouse absent from the service last week at Washington National Cathedral, where her husband and Trump were seated next to each other and chatted and laughed like old friends despite the history of political animosity between the Democratic former president and the returning Republican.

The entire "Presidents Club" will be at a U.S. inauguration for the first time since President Obama's first inauguration in 2009.

His first inaugural address focused on “American carnage,” but what will Donald Trump say in his second, Tribune News Service columnist John M. Crisp asks.

There’s not only one Donald Trump in the United States. Nor is there only one William J. Clinton. Plenty of people share names with famous presidents.

The late President Jimmy Carter in particular decided to do something no other president has done before and it has now become an ongoing tradition. The backstory: Usually, the newly-sworn-in president takes a ride in the presidential limousine for the Inaugural Parade.

Jimmy Carter nodded politely toward Ronald Reagan at the Republican's inauguration. Richard Nixon clasped John F. Kennedy’s hand and offered the new Democratic president a word of

Barack Obama took to social media to wish ‘the love of his life’ a happy birthday amid reports and netizens speculations that Michelle Obama missed ex-US President Jimmy Carter’s funeral due to marital troubles.