Internazionale won the FA Cup in 2010 defeating FC Barcelona 3-1.
The team that won the FA cup in 2010 was Chelsea in England.
Chelsea, they beat Portsmouth 1-0, completing the League and FA Cup double.
They last won the fa cup in 2010 and 2009.
Chelsea or Portsmouth
I'm not sure about the FA cup, but Birmingham won the Carling Cup in 2010-11 and still went down.