Q: Who recently celebrated their 100th birthday, becoming the first centenarian former US president?
A: Jimmy Carter celebrated his 100th birthday, making him the first former US president to reach this milestone.
Q: Which current presidents offered their congratulations to Jimmy Carter on his birthday?
A: Joe Biden and Barack Obama both wished Jimmy Carter well on his 100th birthday.
Q: How long has Jimmy Carter been in hospice care?
A: Jimmy Carter has been in hospice care at his home in Plains, Georgia, for 19 months.
Q: What political activity has Jimmy Carter expressed eagerness to participate in?
A: Jimmy Carter is eager to cast his ballot for Kamala Harris in the upcoming presidential election.
Q: Where can you find more information about Jimmy Carter's 100th birthday celebration?
A: More information can be found in the article linked in the text, which is available on The Guardian's website.