The Rheinischer Verein Mardi Gras Society (RVMS) of Chicago was established in 1890 by eleven individuals from Cologne, Germany. The RVMS exists to celebrate and maintain the traditions from the old homeland in Germany. The Society's sub-clubs are responsible for different aspects of the celebrations.

The RV Mardi Gras Society exists to celebrate and maintain the traditions from the old homeland in Germany. These customs include electing a Prince and Princess to oversee the annual Mardi Gras celebrations. These celebrations are roughly equivalent to those held in New Orleans, Louisianna but with a German flair. The Mardi Gras season begins in early November and ends on the Monday before Ash Wednesday.