Longtime friends, family and fans of Jimmy Carter milled around his hometown of Plains to celebrate his 100th birthday on Tuesday, the first time an American president has lived a full century and the latest milestone in a life that took the Depression-era farmer's son to the White House and across the world as a Nobel Peace Prize-winning humanitarian and advocate for democracy.

Former President Jimmy Carter turns 100, the first to do so in U.S. History, and Tuesday featured a 100th birthday celebration concert in his honor.

Apple, Google PlayGeorgia native Jimmy Carter made history Tuesday. He became the first U.S. president to turn 100-years-old.Sign up for our NewslettersCarter's hometown of Plains held a series of celebrations for him on Tuesday.

“The Carters have a lot of milestones,” said Jill Stuckey, a Plains resident and superintendent of the Jimmy Carter National Historical Park. “They were the longest-married presidential couple at 77 1/2 years, and now he is the longest-living U.S. president.”