I am not sure, but I answering this to let everyone know that a Michigan is when you take the puck on your blade from behind the net, swoop it up, and put it into the top corner of the net.
Michigan Roller Hockey Association was created in 2006.
Roller Hockey International was created in 1992.
Roller Hockey International ended in 1999.
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Major League Roller Hockey was created in 2008.
Austrian Roller Hockey League was created in 1992.
Israel Roller Hockey League was created in 1957.
Mozambican Roller Hockey Championship was created in 1955.
Angolan Roller Hockey Championship was created in 1978.
Roller Hockey Asia Cup was created in 1987.
Roller Hockey Premier League was created in 1930.
Egypt Roller Hockey League was created in 2007.