Fatto matematico: 19391 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 19391 is an uninteresting number.
Data storica: February 1st is the day in 1713 that the Kalabalik or Tumult in Bendery results from the Ottoman sultan's order that his unwelcome guest, King Charles XII of Sweden, be seized.