Fatto generale: 1401 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1401 is a boring number.
Trivia: 1401 is an uninteresting number.
Data storica: November 1st is the day in 1611 that William Shakespeare's romantic comedy The Tempest is presented for the first time, at Whitehall Palace in London.