National Hurling League was created in 1925.
Tipperary.
National League A was created in 1999.
National Security League was created in 1914.
A-League National Youth League was created in 2008.
Speedway National League Division Three was created in 1947.
No single sport dominates. Gaelic Football and Hurling are Ireland's two national sports and the most popular ones. Lots of other sports are very popular, like rugby, soccer, horse racing, golf, motor racing, sailing, athletics, greyhound racing and many others.
National Rugby League was created in 1997.
National Puzzlers' League was created in 1883.
National League West was created in 1969.
National Dodgeball League was created in 2004.
Belgian National League was created in 1975.
National Socialist League was created in 1937.