Fatto generale: 884 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 884 is a number n whose 5^{th} root has a decimal part that begins with the digits of n.
Trivia: 884 is an unremarkable number.
Data storica: June 2nd is the day in 1995 that United States Air Force Captain Scott O'Grady's F-16 is shot down over Bosnia while patrolling the NATO no-fly zone.