general_fact: 28435 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 28435 is a boring number.
trivia: 28435 is an unremarkable number.
historical_date: November 6th is the day in 1528 that Shipwrecked Spanish conquistador Álvar Núñez Cabeza de Vaca becomes the first known European to set foot in Texas.