general_fact: 17552 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 17552 is a boring number.
trivia: 17552 is an unremarkable number.
historical_date: January 20th is the day in 1991 that Sudan's government imposes Islamic law nationwide, worsening the civil war between the country's Muslim north and Christian south.