Fatto generale: 1385 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1385 is the 4^{th} secant number.
Trivia: 1385 is an unremarkable number.
Data storica: October 16th is the day in 1843 that Sir William Rowan Hamilton comes up with the idea of quaternions, a non-commutative extension of complex numbers.