Berlin is the capital and the largest city of Germany, as well as one of its 16 constituent states.
The Bertelsmann Stiftung is an independent foundation under private law, based in Gütersloh, Germany.
Brandenburg (Brannenborg, Lower Sorbian: Bramborska, Braniborsko) is one of the sixteen federated states of Germany.
A national census in Germany (Volkszählung) was held every five years from 1875 to 1910.
East Germany, officially the German Democratic Republic (GDR; Deutsche Demokratische Republik, DDR), existed from 1949 to 1990 and covers the period when the eastern portion of Germany existed as a state that was part of the Eastern Bloc during the Cold War period.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.
A moraine is any glacially formed accumulation of unconsolidated glacial debris (regolith and rock) that occurs in both currently and formerly glaciated regions on Earth (i.e. a past glacial maximum), through geomorphological processes.
Municipalities (Gemeinden, more accurately translated as "communities") are the lowest level of official territorial division in Germany.
Nazi Germany is the common English name for the period in German history from 1933 to 1945, when Germany was under the dictatorship of Adolf Hitler through the Nazi Party (NSDAP).
The Nuthe is a river in Brandenburg, Germany, left tributary of the Havel.
Potsdam is the capital and largest city of the German federal state of Brandenburg.
Potsdam-Mittelmark is a Kreis (district) in the western part of Brandenburg, Germany.