Hecho general: 8908 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 8908 is a boring number.
Trivia: 8908 is an uninteresting number.
Fecha histórica: May 21st is the day in 2006 that the Republic of Montenegro holds a referendum proposing independence from the State Union of Serbia and Montenegro.