general_fact: 60 is the highest obtainable level on World of Warcraft (not including expansions).
math_fact: 60 is the smallest number divisible by 1 through 6.
trivia: 60 is the years of marriage until the diamond wedding anniversary.
historical_date: February 29th is the day in 1796 that the Jay Treaty between the United States and Great Britain comes into force, facilitating ten years of peaceful trade between the two nations.