In what year was the team founded that won the 1956-1957 Irish League championship?
Glenavon F.C. Glenavon Football Club is a semi-professional, Northern Irish football club playing in the NIFL Premiership. The club, founded in 1889, hails from Lurgan and plays its home matches at Mourneview Park. Club colours are blue and white. Gary Hamilton has been player-manager of the Lurgan Blues since December 2011 following the resignation of Marty Quinn.
Football Association of Ireland The Football Association of Ireland (FAI; Irish: "Cumann Peile na hÉireann" ) is the governing body for association football in the Republic of Ireland. It should not be confused with the Irish Football Association which is the governing body in Northern Ireland.