Mathematical fact: 1397 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 1397 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: October 28th is the day in 1982 that the Spanish Socialist Workers' Party wins elections, leading to the first Socialist government in Spain after death of Franco.