general_fact: 12 is the number of people who have walked on Earth's moon.
math_fact: 12 is a superfactorial, being the product of the first three factorials.
trivia: 12 is the number of basic hues in the color wheel (3 primary colors (red, yellow, blue), 3 secondary colors (orange, green & purple) and 6 tertiary colors).
historical_date: January 12th is the day in 2006 that a stampede during the Stoning of the Devil ritual on the last day at the Hajj in Mina, Saudi Arabia, kills at least 362 Muslim pilgrims.