math_fact: 48749 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 48749 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: June 20th is the day in 1982 that the Argentine base (Corbeta Uruguay) on Southern Thule surrenders to Royal Marine commandos in the final action of the Falklands War.