Berlin in ruins after World War II

At the beginning of the German Revolution in November 1918, Germany was declared a republic. However, the struggle for power continued, with radical-left Communists seizing power in Bavaria. The revolution came to an end on 11 August 1919, when the democratic Weimar Constitution was signed by President Friedrich Ebert.[34] An era of increasing national confidence, a very liberal cultural life and decade of economic prosperity followed - known as the Golden Twenties. Suffering from the Great Depression of 1929, the harsh peace conditions dictated by the Treaty of Versailles, and a long succession of unstable governments, Germans increasingly lacked identification with the government in the early 1930s. This was exacerbated by a widespread right-wing Dolchstoßlegende, or stab-in-the-back legend, which argued that Germany had lost World War I because of those who wanted to overthrow the government. The Weimar government was accused of betraying Germany by signing the Versailles Treaty.
By 1932, the German Communist Party and the Nazi Party controlled the majority of Parliament, fuelled by discontent with the Weimar government. After a series of unsuccessful cabinets, President Paul von Hindenburg appointed Adolf Hitler as Chancellor of Germany on 30 January 1933.[35] On 27 February 1933 the Reichstag building went up in flames, and a consequent emergency decree abrogated basic citizens' rights. An enabling act passed in parliament gave Hitler unrestricted legislative power. Only the Social Democratic Party voted against it, while Communist MPs had already been imprisoned.[36][37] Using his powers to crush any actual or potential resistance, Hitler established a centralised totalitarian state within months. Industry was revitalised with a focus on military rearmament.[38]
In 1935, Germany reacquired control of the Saar and in 1936 military control of the Rhineland, both of which had been lost in the Treaty of Versailles.[39] In 1938, Austria was annexed, and in 1939, Czechoslovakia was brought under German control. The invasion of Poland was prepared through the Molotov–Ribbentrop pact and Operation Himmler. On 1 September 1939 the German Wehrmacht launched a blitzkrieg on Poland, which was swiftly occupied by Germany and by the Soviet Red Army. The UK and France declared war on Germany, marking the beginning of World War II.[40] As the war progressed, Germany and its allies quickly gained control of most of continental Europe and North Africa, though plans to force the United Kingdom to an armistice or surrender failed. On 22 June 1941, Germany broke the Molotov–Ribbentrop pact and invaded the Soviet Union. Japan's attack on Pearl Harbor led Germany to declare war on the United States. The Battle of Stalingrad forced the German army to retreat on the Eastern front.[40]


Berlin in ruins after World War II
In September 1943, Germany's ally Italy surrendered, and German troops were forced to defend an additional front in Italy. D-Day opened a Western front, as Allied forces advanced towards German territory. On 8 May 1945, the German armed forces surrendered after the Red Army occupied Berlin.[41]
In what later became known as The Holocaust, the Third Reich regime had enacted policies directly subjugating many dissidents and minorities. Millions of people were murdered by the Nazis during the Holocaust, including several million Jews, Romani people, Slavic people, Soviet POWs, people with mental and/or physical disabilities, Jehovah's Witnesses, homosexuals, and members of the political and religious opposition.[42] World War II was responsible for more than 40 million dead in Europe.[43] The war casualties for Germany are estimated at 5.3 million German soldiers,[44] millions of German civilians;[45][46] and losing the war resulted in large territorial losses; the expulsion of about 15 million ethnic Germans from former eastern territories of Germany and other formerly occupied European countries; mass rape of German women;[47] and the destruction of numerous major cities. The Nuremberg trials of Nazi war criminals were held after World War II