math_fact: 9219 is a value of n for which |cos(n)| is smaller than any previous integer.
trivia: 9219 is an uninteresting number.
historical_date: March 28th is the day in 1910 that Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.