NSDAP rule diminished Berlin's Jewish community from 160,000 (one-third of all Jews in the country) to about 80,000 as a result of emigration between 19.After Kristallnacht in 1938, thousands of the city's Jews were imprisoned in the nearby Sachsenhausen concentration camp.Albert Einstein rose to public prominence during his years in Berlin, being awarded the Nobel Prize for Physics in 1921.
The population almost doubled and Berlin had a population of around four million.
Typical German place name endings of Slavic origin are -ow, -itz, -itzsch and -in.
The name Berlin has its roots in the language of West Slavic inhabitants of the area of today's Berlin, and may be related to the Old Polabian stem berl-/birl- ("swamp").
From 1470, with the new elector Albrecht III Achilles, Berlin-Cölln became the new royal residence.
Since 1618, the Margraviate of Brandenburg had been in personal union with the Duchy of Prussia.