European League for Economic Cooperation was created in 1946.
European Bridge League was created in 1947.
CERH European League was created in 1965.
European Volleyball League was created in 2004.
Economic League - Netherlands - was created in 1917.
Central European Football League was created in 2005.
Eastern European Hockey League was created in 1995.
European League of Stuttering Associations was created in 1990.
Economic League - United Kingdom - was created in 1919.
Rugby League European Federation was created on 2009-06-30.
European Champions League - table tennis - was created in 1988.
Hansa was a medieval league of merchant cities in northern Europe, primarily Germany. It was formed as a means of mutually beneficial economic cooperation and provided for the security of trade routes.
the Hanseatic league was created for an economic alliance of trading cities and their guilds that dominated trade along the coast of Northern Europe in the later Middle Ages.