The condition is known as Alzheimer's disease, a form of dementia that changes how an individual thinks, remembers, and behaves over the course of years.
Rules that former first ladies must follow include Secret Service protection for life and for traditional etiquette, being gracious to the incoming first lady.
While the salient details of King's life, such as his "I have a dream" speech, are now canonical in the country's popular history, there's much more to the man.
Some aristocrats spent their money until they didn't have any more, and then they died a pauper's death. These are aristocrats who lost all their money.
The No Fly List, a secret government index created post-9/11 by the Terrorist Screening Center, prohibits those on the list from boarding commercial flights.
A rapist and serial killer was skulking through the suburbs of Los Angeles, hiding in the shadows and watching residents at their most vulnerable moments.
Few people who have watched The Scorpion King were probably expecting historical accuracy. Here are some of the things it gets right and wrong about history.
Joe Biden's Inauguration Day Bible will be the same Bible he used in 1973 as a senator and the same that son Beau used in 2007; the family's Bible since 1893.
The reason the board game Candy Land was invented in 1948 was polio; it was a time when people stayed indoors to protect themselves from the contagious virus.
Despite the perks of holding government office, some of America's esteemed elected officials have covered themselves in far more debt than they have glory.
Roses, chocolate, and jewelry might top the list for Valentine's Day gifts, but back in the day, all someone needed to feel the love was a handwritten card.