Fatto generale: 1483 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1483 is a boring number.
Trivia: 1483 is a boring number.
Data storica: January 22nd is the day in 1971 that the Singapore Declaration, one of the two most important documents to the uncodified constitution of the Commonwealth of Nations, is issued.