<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The territorial changes of Germany include all changes in the borders and territory of Germany from its formation in 1871 to the present . Modern Germany was formed in 1871 when Otto von Bismarck unified most of the German states, with the notable exception of Austria, into the German Empire . After the First World War Germany lost about 10% of its territory to its neighbours and the Weimar Republic was formed . This republic included territories to the east of today's German borders . </P> <P> The period of Nazi rule from the 1930s through the end of the Second World War brought significant territorial losses for the country . Nazi Germany initially expanded the country's territory dramatically and conquered most of Europe, though not all areas were added to Germany proper . The Nazis' fortunes changed after the failure of the invasion of Soviet Union . The Nazi regime eventually collapsed, and the Allies occupied Germany . </P>

What land was lost by germany after ww1