Pictures shared on social media by the vice president and by the Carter Center prominently showed other past presidents in attendance.

Former President Bill Clinton was spotted at the inauguration of Donald Trump. See pictures of the former President here.

Just ten days ago, at Jimmy Carter's state funeral at Washington National Cathedral today, all five living U.S. presidents attended: Bill Clinton, George W. Bush, Barack Obama, Donald Trump, and Joe Biden. Today, all five men were once again in the same place, as Clinton, Bush, Obama, and Biden attended Trump's inauguration.

Former President Barack Obama was spotted at the inauguration of Donald Trump. See pictures of the former president here.

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.

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

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.

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.

He is one of only three US presidents never to have had any presidential pets. When he assumed office in 2016, he was the first in 100 years not to have pets in the White House, with only James K. Polk and Andrew Johnson abstaining before then.

The inauguration was the second gathering of U.S. presidents and their spouses that Michelle Obama has missed in recent weeks.

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.