general_fact: 55405 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 55405 is an uninteresting number.
trivia: 55405 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 10th is the day in 1967 that the people of Gibraltar vote to remain a British dependency rather than becoming part of Spain.