1120 Market foundation by Konrad von Zahringen 1200 -approx 1513 Building of the cathedral 1238 First mention of the Freiburg canals ("Bachle") 1368 Freiburg puts itself under the protection of the House of Habsburg 1457 Archduke Albrecht V1 founds the University of Freiburg 1677-97 Freiburg is a French fort 1805 Integration of Freiburg into the grand duchy of Baden by Napoleon. 1821 Freiburg was appointed as the Bishop's Seat 1901 Freiburg receives electrical power 1910 Inauguration of the new city theatre 1911 Opening of the new university building 1914 Airstrikes during the 1st World War 1918 A revolution is called for an Karlsplatz