Jimmy Carter turned 100 years old on Tuesday, becoming the first US president to live up to his birthday.
Carter, a Democrat who was in the White House from 1977 to 1981, has spent the last 19 months in a hospice, a palliative care facility, in the state of Georgia.
The former peanut farmer, who first entered politics in the 1960s as a state senator, is still "emotional and still smiling and loving," his grandson Jason said in September.
And the century-old politician still has political ambitions.
"I'll just try to vote for Kamala Harris" in the November elections, said the Nobel Prize winner, according to his grandson.
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In honor of his birthday, the humanitarian organization Habitat for Humanity - with which Carter has worked for 40 years - is building 30 homes in Minnesota.
Birthday celebrations are also scheduled in Plain, the hometown of the former governor of Georgia.
There will also be flyovers of military planes, and 100 people will receive American citizenship.
Previously, at the beginning of this month, a concert was held in Atlanta, Georgia, where music stars performed to celebrate the birthday of the 39th American president and raise money for the Carter Center.
"It was an amazing evening, full of good music and heartfelt congratulations, and it went down in history as the first celebration of the 100th birthday of a living American president," Carter said at the time.
Other presidents also addressed the audience at the concert, which raised more than 1,2 million dollars, with recorded messages, and it will be broadcast on the Georgia Public Media Service.
They sang dozens of songs, and thousands of people attended.
The former president will watch the broadcast on Tuesday, his family said.
Carter, who was unable to attend the concert in person, has rarely appeared in public since November 2023, when he attended a memorial service for his wife, Rosalyn, who died at the age of 96.
Their 77-year marriage is still the longest among American presidents.
When Carter was admitted to the palliative care center in Plains, Georgia in February 2023, some relatives feared that he had only a few days left to live.
"This is a gift," Josh Carter, another of his grandsons, said of the past few months in a recent interview with The New York Times.
"This is a gift I didn't know we'd get."
Carter's story drew attention to the importance of centers for medical care of the elderly.
"We're all rooting for Jimmy Carter," Barbara Pierce, executive director of the hospice in Connecticut, told BBC partner CBS News.
"He did more for us than we could ever do for ourselves, making it the right choice," she said.
"It gave everyone the opportunity to consider [home care] as a reasonable option that doesn't shorten their lives, but increases their comfort and fulfillment."
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