The answer to that would often be a matter of debate and different people would have different opinions. The current All-Ireland club champions are Crossmaglen Rangers who won it in 2011 and 2012, so they can claim to be the best Gaelic Football Club.
Chicago Patriots Gaelic Football Club was created in 2005.
It is a GAA club in the suburbs of the city of Cork. They have teams for Hurling, Gaelic Football, Camogie and Ladies Gaelic Football.
Liverpool Football Club of course.
Manchester United Football Club
Al-Ahly is the best and most successful Football club in Africa and Egypt.
No. There is a club called Moscow Shamrocks, but they only play Gaelic Football.
FC Barcelona
Real Madrid C.F. officially is the best football club of XXth century.
For Gaelic Football it is the Sam Maguire Cup. For Hurling it is the Liam McCarthy Cup.
luis suarez
Kirkham Juniors Football Club!
The ball used in Gaelic Football is round.