Berlin became the capital of the Kingdom of Prussia 1701–1918, the German Empire 1871–1918, the Weimar Republic 1919–33 and the Third Reich 1933–45. Berlin in the 1920s was the third largest municipality in the world. After World War II, the city, along with the German state, was divided - into East Berlin — capital of the German Democratic Republic, colloquially identified in English as East Germany — and West Berlin, a political exclave (surrounded by the Berlin Wall from 1961 to 1989) and a de facto state of the Federal Republic of Germany, known colloquially in English as West Germany from 1949 to 1990. Following German reunification in 1990, the city was once more designated as the capital of all Germany. Berlin is a world city of culture, politics, media, and science, hosting 147 foreign embassies. Its economy is primarily based on high-tech industries and the service sector, encompassing a diverse range of creativeSee More