Hecho matemático: 8394 is a value of n for which n and 8n together use each digit 1-9 exactly once.
Trivia: 8394 is a boring number.
Fecha histórica: December 24th is the day in 2008 that Lord's Resistance Army, a Ugandan rebel group, begins a series of attacks on Democratic Republic of the Congo, massacring more than 400.