The club was founded on 26 March 2004 after a fusion between FC Hamm 37 and FC RM 86 Luxembourg. They spent their first seasons in the Second Division but clinched promotion to the Luxembourg National Division after the 2006/2007 season.
FC RM (Rapid Mansfeldia) 86 Luxembourg was itself founded after FC Rapid Neudorf (founded in 1909) and FC Mansfeldia Clausen-Cents (founded in 1919) merged in 1986 after both clubs were relegated from their respective divisions. FC Hamm 37 was originally founded in 1937.