National League East was created in 1969.
National League A was created in 1999.
National Security League was created in 1914.
A-League National Youth League was created in 2008.
The American League West with 4. The American League East, American League Central, National League East, and National League West have 5. The National League Central has 6.
American League East was created in 1969.
Serbian League East was created in 2006.
East-West League was created in 1932.
East Northumberland League was created in 1894.
Yes, the Mets are in the East Division of the National League.
Speedway National League Division Three was created in 1947.
National Puzzlers' League was created in 1883.
National Rugby League was created in 1997.