During the 2005–06 season, the team participated in the Junior A Superior International Junior Hockey League.
The Duluth Clydesdales applied for entry into the Superior International Junior Hockey League in the Summer of 2010 along with the Wisconsin Mustangs of the Minnesota Junior Hockey League.
Major League Baseball | National Football League | National Hockey League | ATP International Series | UEFA Champions League | International Monetary Fund | Premier League | Australian Football League | rugby league | Major League Soccer | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | National League | League of Nations | Amnesty International | International Olympic Committee | UEFA Europa League | BirdLife International | American League | Lake Superior | Canadian Football League | International Finance Corporation | International Organization for Standardization | Arena Football League | the Football League | International Telecommunication Union | American Hockey League | International Criminal Court | One Day International |