Fait mathématique: 8304 is the number of subsets of the 18^{th} roots of unity that add to a real number.
Culture générale: 8304 is a boring number.
Date historique: September 25th is the day in 1978 that PSA Flight 182, a Boeing 727-214, collides in mid-air with a Cessna 172 and crashes in San Diego, California, resulting in the deaths of 144 people.