in Timișoara the first borrowing library in a Hungarian town. 1819 – Joseph Klapka becomes mayor of Timișoara. 1823 – November 3: In his letter addressed from Timișoara to his father in Târgu-Mureş, mathematician János Bolyai mentions that he discovered the principles of the Non-Euclidean geometry. 1846 – Composer and pianist Franz Liszt halts in Timișoara and performs three concerts in the Theater's hall. 1847 – Johann Strauss II, the "Waltz King", performs in Timișoara with his orchestra. Timișoara has 22,560 inhabitants. 1849 – Between April 26 and August 8, Timișoara is sieged by Hungarian revolutionary forces (the longest siege of the town). 1852 – Timișoara is linked with Vienna through the telegraph line. This is the first line in the territory of present-day Romania. 1855 – February 9: Giuseppe Verdi's "La Traviata" opening night in Timișoara. 1857 – Public street lighting with aerial gas. 1857 – Inauguration of the first railroad in the Banat's plain: Szeged–Kikinda–Jimbolia–Timișoara, . To travel from Timișoara to Budapest took 26hours and from Timișoara to Vienna 36h. The first railroads station is opened in Timișoara. 1866 – Alexandru Ioan Cuza, Prince of Moldavia and Wallachia stops in Timișoara on his way into exile. He stays at the "Trompetistul" Inn. 1869 – First tram with horses (6.6 km). 1870 – The first metallic bridge, the Bem bridge, is built on Bega Channel. Today 13 bridges exist in Timișoara. 1879 – Start of the works on the town's telephone network (first 52 subscribers) in Timișoara. The network was built as a private enterprise by Ignatiu Leyritz. 1879 – September 15: Recital of Johannes Brahms and Joseph Joachim in Timișoara. 1883 – June 5: The Orient Express Train is launched, passing through Banat: Szeged–Kikinda–Jimbolia–Timișoara–Caransebeş–Orşova. 1886 – Set up of the "Ambulance" service of Timișoara. This is the first ambulance station in Hungary and today Romania. 1891 – The first permanent museum is opened in Timișoara. 1899 – June 25: The first football/soccer mach in today Romania was held in Timișoara between the schoolboys of the Piarist High-school led by Carol Müller, gymnastic professor. 1907 – The walls of the fortress are destroyed to allow for new construction. 1918 – November 15: Serbian forces occupied the town. The Banat region was desired by both Serbia and Romania. 1918 – December 3: French colonial forces arrive to avoid any possible conflicts between Serbia and Romania. 1919 – July 28: Romanian