Fatto generale: 26933 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 26933 is a boring number.
Trivia: 26933 is an uninteresting number.
Data storica: September 26th is the day in 1687 that the city council of Amsterdam votes to support William of Orange's invasion of England, which became the Glorious Revolution.