In 1969, when MGM cancelled their proposed Irving Berlin musical biography "Say it With Music" in which she was set to star, she sued the studio and collected her $1,250,000 salary.
In 2002, she was voted the 59th greatest Briton ever in a BBC poll.
In the 1960s she sported a bumper sticker on her car reading "Mary Poppins is a junkie".
Is the only actress to be nominated for (and later win) the Oscar in the Lead Actress category in a Walt Disney film (Mary Poppins (1964)).
Learned to play the guitar specifically for the role of "Maria" in The Sound of Music (1965).
Measurements: 34B-25-36 (Source: Celebrity Sleuth magazine).
Mother of Emma Walton.
Mother-in-law of Steve Hamilton.
Played the same role of "Victoria Grant" in the Broadway musical adaption of Victor Victoria (1982). She turned down a Tony nomination for Best Actress in a Musical.
Possessed a five-octave coloratura soprano range until a vocal nodule surgery mishap ruined her singing voice.
Received a standing ovation at The 75th Annual Academy Awards (2003) (TV) when she appeared to present a short film celebration sequence.
Received the Screen Actors Guild lifetime achievement award on January 28, 2007.
Recepient of a 2011 Lifetime Achievement Grammy [December 23, 2010].
She adopted two children from Vietnam with Blake Edwards, Amy Edwards (b. 1974) and Joanna Edwards (b. 1975).
She has a rose named after her.
She has two great-grandchildren, Shaely and Kaden, from step-granddaughter Kayti.
She was a recipient of the Kennedy Center Honors in 2001.
She was the youngest person ever to appear in a Royal Command Performance. She performed for King George VI, Queen Elizabeth, Princess Elizabeth/Queen Elizabeth II and Princess Margaret.
Sings scales rather than songs in the shower.
Spent some time in a psychiatric clinic, to help her cope with the trauma resulting from her throat surgery.