Minor league baseball was created in 1901.
Intercounty Baseball League was created in 1919.
Golden Baseball League was created in 2004.
Baseball Challenge League was created in 2007.
Western Baseball League was created in 1994.
Australian Baseball League was created in 2009.
Eastern League - baseball - was created in 1923.
Ladies League Baseball was created in 1997.
Continental Baseball League was created in 2006.
Canadian Baseball League was created in 2003.
Japanese Baseball League was created in 1935.
China Baseball League was created in 2002.