Western League - Japanese baseball - was created in 1952.
Eastern League - Japanese baseball - was created in 1955.
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.
Darwin Baseball League was created in 1953.
Israel Baseball League was created in 2007.
Valley Baseball League was created in 1923.
Minor league baseball was created in 1901.
Australian Baseball League was created in 2009.
Western Baseball League was created in 1994.