In what year was the team founded that won the 1956-1957 Irish League championship?
1956–57 Irish League The Irish League in season 1956–57 comprised 12 teams, and Glenavon won the championship.
Ballylinan GAA Ballylinan GAA is a Gaelic Athletic Association gaelic football and hurling club in Ballylinan, County Laois, Ireland. The club was founded in 1926 and has colours of green and gold.