Fatto matematico: 9574 is a value of n for which |cos(n)| is smaller than any previous integer.
Trivia: 9574 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: March 18th is the day in 1992 that White South Africans vote overwhelmingly in favour, in a national referendum, to end the racist policy of Apartheid.