August 26, 1867, the Treaty of Vöslau was signed between the Kingdom of Greece and the Principality of Serbia. In 1904 Vöslau was officially declared a spa town; the name of the municipality, though, was not until 1928 changed to Bad Vöslau (by resolution of the Landtag of Lower Austrian [the state parliament] of March 27, 1928). The public swimming baths were again rebuilt and were opened on June 20, 1926, with Federal President Michael Hainisch attending. In 1936, a company was founded to merchandise the thermal water, which is being sold under the brand name "Vöslauer" (add: Mineralwasser, i. e. mineral water) since then. Wine-growing is stil another important part of the economy. The red wine and the sparkling wine from Vöslau were made famous worldwide by Robert Schlumberger in the 19th century. In 1954, Bad Vöslau became a city and the brand "Vöslauer Stadtsiegel" was created. On January 1, 1972 the neighbouring municipalities of Gainfarn and Großau were incorporated into Bad Vöslau. Populations Politics The Bad Vöslau city council (Gemeinderat) consists of 37 seats. As of the 2020 elections, these are allocated as follows: 19 Liste Flammer (an independent faction founded by Alfred Flammer) 7 GREEN Party 4 ÖVP 3 SPÖ 2 FPÖ 2 NEOS In December 2022, Christian Flammer succeeded Christoph Prinz, who stepped down, as mayor. Personalities Johann von Fries (1719–1785): The counts of Fries were, with an interruption, from 1773 to 1902 owner of the Vöslau dominion and both historically and economically of greatest importance for the development of the place Ami Boué (1794–1881) came from an emigrated French Huguenot family, traveled all over Europe as a geologist and ethnologist between 1812 and 1839. He wrote nine essays about the Vöslau springs between 1841 and 1874. He is buried in a crypt in the Vöslau cemetery. Robert Schlumberger von Goldeck (1814–1879), promotor of wine growing, was the first in Austria to produce sparkling wine by the traditional method of Champagne wine region in his Vöslau winery Ferdinand Piatnik (1819–1885), Austrian-Hungarian card painter, manufacturer, philanthropist, founder of Piatnik & Söhne Jacob Levy Moreno (1889–1974) was from 1918 to 1925 community physician and factory physician of the worsted factory. He was the founder of sociometry, group psychotherapy and "psychodrama", lived and worked in house Maital 4. He emigrated to the US in 1925. Jean Aberbach (1910–1992), born in Bad Vöslau. With his brother Julian Aberbach, he founded