math_fact: 2803 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 2803 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 3rd is the day in 1997 that Vietnam Airlines Flight 815 (Tupolev TU-134) crashes on approach into Phnom Penh airport, killing 64.