general_fact: 26311 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 26311 is an unremarkable number.
trivia: 26311 is a boring number.
historical_date: January 13th is the day in 1985 that a passenger train plunges into a ravine in Ethiopia, killing 428 in the worst railroad disaster in Africa.