1278: The Habsburg Empire acquires Austria and makes Vienna its capital city.

1860: Freud's family moves to Vienna.

1867: The Habsburg Empire centralizes authority over Hungary in Vienna, thus creating the Austro-Hungarian Empire.

1914: World War I is initiated by the assassination of Archduke Franz Ferdinand, heir of the Austro-Hungarian Empire, by a Serbian nationalist.

1916-1918: With the death of Francis Joseph, Charles becomes emperor of the Austro-Hungarian Empire.

1918: Following World War I, Emperor Charles is forced to abdicate, and the Habsburg Empire is formally dissolved into several independent nations, including an Austrian republic. Vienna is made the capital of the newly formed republic.

1938-1945: Austria is occupied by German forces under Hitler, who declares it part of' 'Greater" Germany. He declares Vienna a German province and renames it' 'Greater" Vienna.

1945-1955: In the wake of World War II, Austria is divided into four regions, each occupied by...