general_fact: 333 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 333 is the number of 7-hexes.
trivia: 333 is an unremarkable number.
historical_date: November 28th is the day in 1729 that Natchez Indians massacre 138 Frenchmen, 35 French women, and 56 children at Fort Rosalie, near the site of modern-day Natchez, Mississippi.