Since ancient Roman times, the thermal springs of Wiesbaden have attracted people interested in the purported healing qualities of a hot mineral bath. As the town grew into a major spa destination in the 1700s, its wealthy visitors sought other forms of entertainment, and facilities appeared nearby for theater, music, and, above all, gambling. The first regulated card games were licensed in 1771. By 1810, Wiesbaden boasted a monumental spa-house to accommodate its bathers and gamblers. A stream of aristocrats and celebrities passed through its grand hall. Napoleon is rumored…
