Fatto generale: 1073 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1073 is a boring number.
Trivia: 1073 is an unremarkable number.
Data storica: December 8th is the day in 2007 that Benazir Bhutto, first and only female former Prime Minister of Pakistan, had her PPP Office stormed by unidentified gunmen.