Germany contains the administrative territorial entity Berlin
In August 1939, Hitler's government negotiated the Molotov–Ribbentrop Pact that divided Eastern Europe into German and Soviet spheres of influence. On 1 September 1939, Germany invaded Poland, beginning World War II in Europe; Britain and France declared war on Germany on 3 September. In the spring of 1940, Germany conquered Denmark and Norway, the Netherlands, Belgium, Luxembourg, and France, forcing the French government to sign an armistice. The British repelled German air attacks in the Battle of Britain in the same year. In 1941, German troops invaded Yugoslavia, Greece and the Soviet Union. By 1942, Germany and its allies controlled most of continental Europe and North Africa, but following the Soviet victory at the Battle of Stalingrad, the Allied reconquest of North Africa and invasion of Italy in 1943, German forces suffered repeated military defeats. In 1944, the Soviets pushed into Eastern Europe; the Western allies landed in France and entered Germany despite a final German counteroffensive. Following Hitler's suicide during the Battle of Berlin, Germany signed the surrender document on 8 May 1945, ending World War II in Europe and Nazi Germany. Following the end of the war, surviving Nazi officials were tried for war crimes at the Nuremberg trials.In what later became known as the Holocaust, the German government persecuted minorities, including interning them in concentration and death camps across Europe. In total 17 million people were systematically murdered, including 6 million Jews, at least 130,000 Romani, 275,000 disabled people, thousands of Jehovah's Witnesses, thousands of homosexuals, and hundreds of thousands of political and religious opponents. Nazi policies in German-occupied countries resulted in the deaths of an estimated 2.7 million Poles, 1.3 million Ukrainians, 1 million Belarusians and 3.5 million Soviet prisoners of war. German military casualties have been estimated at 5.3 million, and around 900,000 German civilians died. Around 12 million ethnic Germans were expelled from across Eastern Europe, and Germany lost roughly one-quarter of its pre-war territory.East and West Germany
After Nazi Germany surrendered, the Allies partitioned Berlin and Germany's remaining territory into four occupation zones. The western sectors, controlled by France, the United Kingdom, and the United States, were merged on 23 May 1949 to form the Federal Republic of Germany (German: Bundesrepublik Deutschland); on 7 October 1949, the Soviet Zone became the German Democratic Republic (GDR) (German: Deutsche Demokratische Republik; DDR). They were informally known as West Germany and East Germany. East Germany selected East Berlin as its capital, while West Germany chose Bonn as a provisional capital, to emphasise its stance that the two-state solution was temporary.West Germany was established as a federal parliamentary republic with a "social market economy". Starting in 1948 West Germany became a major recipient of reconstruction aid under the American Marshall Plan. Konrad Adenauer was elected the first federal chancellor of Germany in 1949. The country enjoyed prolonged economic growth (Wirtschaftswunder) beginning in the early 1950s. West Germany joined NATO in 1955 and was a founding member of the European Economic Community.East Germany was an Eastern Bloc state under political and military control by the Soviet Union via occupation forces and the Warsaw Pact. Although East Germany claimed to be a democracy, political power was exercised solely by leading members (Politbüro) of the communist-controlled Socialist Unity Party of Germany, supported by the Stasicode: deu promoted to code: de , an immense secret service. While East German propaganda was based on the benefits of the GDR's social programmes and the alleged threat of a West German invasion, many of its citizens looked to the West for freedom and prosperity. The Berlin Wall, built in 1961, prevented East German citizens from escaping to West Germany, becoming a symbol of the Cold War.Tensions between East and West Germany were reduced in the late 1960s by Chancellor Willy Brandt's Ostpolitik. In 1989, Hungary decided to dismantle the Iron Curtain and open its border with Austria, causing the emigration of thousands of East Germans to West Germany via Hungary and Austria. This had devastating effects on the GDR, where regular mass demonstrations received increasing support. In an effort to help retain East Germany as a state, the East German authorities eased border restrictions, but this actually led to an acceleration of the Wende reform process culminating in the Two Plus Four Treaty under which Germany regained full sovereignty. This permitted German reunification on 3 October 1990, with the accession of the five re-established states of the former GDR. The fall of the Wall in 1989 became a symbol of the Fall of Communism, the Dissolution of the Soviet Union, German reunification and Die Wende.
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