general_fact: 60 is the number of miles polar bears have been known to swim without a rest.
math_fact: 60 is the smallest number divisible by the numbers 1 to 6.
trivia: 60 is the total number of cards in the game Racko.
historical_date: February 29th is the day in 1712 that February 29 is followed by February 30 in Sweden, in a move to abolish the Swedish calendar for a return to the Old style.