Hecho general: 84188 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 84188 is a boring number.
Trivia: 84188 is an unremarkable number.
Fecha histórica: July 1st is the day in 1915 that Lieutenant Kurt Wintgens achieves the first known aerial victory with a synchronized gun-equipped fighter plane, the Fokker M.5K/MG Eindecker.