general_fact: 2068 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 2068 is an uninteresting number.
trivia: 2068 is a boring number.
historical_date: August 29th is the day in 1930 that the last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland.