general_fact: 5296 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5296 is the Entringer number E(8,3).
trivia: 5296 is an uninteresting number.
historical_date: July 1st is the day in 1967 that Canada celebrates the 100th anniversary of the British North America Act, 1867, which officially made Canada its own federal dominion.