The town was first documented in the year 801 as "chizzicha" and was renowned above all for its mineral springs, which are recorded from as early as 823. At that time, Kissingen was under the domination of Fulda Abbey, later it fell to the Counts of Henneberg and was sold to the bishops of Würzburg in the 14th century. Kissingen was first mentioned as "oppidum" (town) in 1279. The town developed to a spa in the 1500s and recorded its first official spa guest in 1520. In 1814, Kissingen became part of Bavaria. The town grew to be a fashionable resort in the 19th century, and was extended during the reign of Ludwig I of Bavaria. Crowned heads of state such as Empress Elisabeth of Austria, Tsar Alexander II of Russia and King Ludwig II of Bavaria, who bestowed the 'Bad' on Kissingen in 1883, were among the guests of the spa at this time. Other well-known visitors to the resort included author Leo Tolstoy, composer Gioachino Rossini and artist Adolph von Menzel.