Brenner Pass part of County of Tyrol (now South Tyrol), was transferred to Italy, and Italian troops occupied Tyrol and arrived at Brenner Pass in 1919 to 20. During World War II, German Führer Adolf Hitler and Italian Duce Benito Mussolini met at Brenner Pass to celebrate their Pact of Steel on 18 March 1940. Brenner Pass was part of the ratlines that were used by some fleeing Nazis after the German surrender in 1945. The motorway E45 (European designation; in Italy A22, in Austria A13), Brenner Autobahn/Autostrada del Brennero, begins in Innsbruck, runs through Brenner Pass, Bozen/Bolzano, Verona and finishes outside
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