What decade old football team beat Old Etonians in the Football Association Callenge Cup that marked the turning point in the sport from upper-class gentleman to a professional sport?
1883 FA Cup Final: The 1883 FA Cup Final was contested by Blackburn Olympic and Old Etonians at the Kennington Oval. 1883 FA Cup Final:  Blackburn Olympic won 2–1 after extra time. Blackburn Olympic F.C.:  The cup had previously been won only by teams of wealthy amateurs from the Home counties, and Olympic's victory marked a turning point in the sport's transition from a pastime for upper-class gentlemen to a professional sport.
i don't know