Fatto generale: 5966 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5966 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 5966 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: May 1st is the day in 1956 that a doctor in Japan reports an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.