Altered frontiers in Europe | Anne Frank House

Overview

The German Empire and Austria-Hungary in 1914, before the outbreak of the First World War

The German Empire has existed since 1871.
Austria-Hungary was formed in 1867 as a union between the Empire of Austria and the Kingdom of Hungary.
In 1908 Bosnia and Herzegovina was annexed by Austria-Hungary.

The new frontiers in Europe after the Treaty of Versailles (1919).

Germany has to give up a lot of territory. Alsace-Lorraine is assigned to France and Posen and Memel are assigned to Poland and Lithuania. Danzig becomes a Free City under the supervision of the League of Nations.
Austria-Hungary is falling apart into new states, because the different peoples that made up Austria-Hungary gain self-determination. This is one of the Fourteen Points of the peace plan of Woodrow Wilson, the American president.