The title "Emperor of Austria" was established in 1804 when Francis II declared himself emperor, creating a separate identity for the Habsburg monarchy. This title was used until the end of the Austro-Hungarian Empire in 1918, marking a significant period in European history. The emperor held considerable power over the diverse territories of the empire, which included regions like Bohemia, Hungary, and Galicia. The role was often associated with the Habsburg dynasty, which played a crucial part in European politics for centuries, influencing various alliances and conflicts across the continent.