general_fact: 250 is the number of Pokémon originally available in Pokémon Gold and Silver before Celebi was added.
math_fact: 250 is the smallest multi-digit number so that the sum of the squares of its prime factors equals the sum of the squares of its digits.
trivia: 250 is the number of Pokémon originally available in Pokémon Gold and Silver before Celebi was added.
historical_date: September 6th is the day in 1847 that Henry David Thoreau leaves Walden Pond and moves in with Ralph Waldo Emerson and his family in Concord, Massachusetts.