Misc: 'Moussaka" is a traditional dish from which country?

Questions

Sport, British golfers to have won post war Open championships?

Which div one football club used to be called Heaton Norris Rovers?

Which welsh boxer was called"The ghost with a hammer in his hand"?

Why was Linford Christie disqualified from the Olympic 100 metres final in 1996?

Occuring every 20 years?