Brenner Pass 1,371 m). Completion of the railway enabled the Austrians to move their troops more efficiently; the Austrians had hoped to secure their territories of Venetia and Lombardy (south of the Alps), but lost them to Italy following the Second Italian War of Independence in 1859 and Austro-Prussian War in 1866. At the end of World War I in 1918, the control of Brenner Pass became shared between Italy and Austria under the Treaty of Saint-Germain-en-Laye (1919). The Treaty of London (1915) secretly awarded Italy the territories south of Brenner Pass for supporting the Entente Powers. Welschtirol/Trentino, along with the southern
Brenner Pass Counts of Tyrol within the Holy Roman Empire. Emperor Frederick Barbarossa made frequent uses of the Brenner Pass to cross the Alps during his imperial expeditions of Italy. The 12th-century Brenner Pass was a trackway for mule trains and carts. Modernisation of Brenner Pass started in 1777, when a carriage road was laid out at the behest of Empress Maria Theresa. Modernisation further took place under the Austrian Empire and the Brenner Railway, which was completed in stages from 1853 to 1867. It became the first trans-Alpine railway without a major tunnel and at high altitude (crossing Brenner Pass at