First FA Cup – Wanderers F.C. Defeated Royal Engineers A.F.C.
The first ever FA Cup is won by Wanderers F.C., defeating Royal Engineers A.F.C. 1-0 at The Oval in Kennington, London, England. The FA Cup is the oldest football competition in the world.
For more, visit:
http://en.wikipedia.org/wiki/FA_Cup
http://en.wikipedia.org/wiki/History_of_the_FA_Cup
http://www.thefa.com/TheFACup/
See also the following Document:
Teams That Have Won the Football Association Cup
History for Today 