Coordinates: 54.40°N 18.66°E The Free City of Danzig ( German: Freie Stadt Danzig; Polish: Wolne Miasto Gdańsk) was a city-state under the protection and oversight of the League of Nations between 1920 and 1939, consisting of the Baltic Sea port of Danzig (now Gdańsk, Poland) and nearly 200 other small localities in the surrounding areas. 
The Weimar Republic, [b] officially known as the German Reich, [c] was a historical period of Germany from 9 November 1918 to 23 March 1933, during which it was a constitutional federal republic for the first time in history; hence it is also referred to, and unofficially proclaimed itself, as the German Republic.
Nazi Germany, [h] officially known as the German Reich [i] until 1943, later the Greater German Reich, [j] was the German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it into a totalitarian dictatorship .
Two biggest lands of the HRE were the German-speaking part of Austria (orange) and the German-speaking part of Prussia (blue), besides a large number of small states (many of them too small to be shown on the map).
In 1701, in the chapel of the castle, Elector Frederick III of Brandenburg crowned himself the first king of Prussia—as Frederick I. In 1724 Frederick William I of Prussia united nearby Löbenicht and Kneiphof with Königsberg to form a single city. Kaliningrad
Prussia allied with Austria in 1863 to fight Denmark for control of the Duchies of Schleswig and Holstein. The Danish defeat left Holstein for Austria and Schleswig for Prussia. Unsatisfied, the two major powers went to war with each other in 1866, and Bismarck's well trained army made quick of the Austrians.
Written by a generation of German historians, this historiography, based largely on archival sources uncovered in the former Soviet Union, suggests the priority of local determinants in the emergence of mass murder as systematic policy throughout Nazi-occupied Europe, especially in the East.
Germany lost control of most of its colonial empire at the beginning of the First World War in 1914, but some German forces held out in German East Africa until the end of the war.
0. On Sept. 1, 1939, Nazi Germany invaded Poland, the act that started World War II. The day before, Nazi operatives had posed as Polish military officers to stage an attack on the radio station in the Silesian city of Gleiwitz.
Overview German Chancellor Olaf Scholz and U.S. President Joe Biden in March 2023 Before 1800, the main factors in German-American relations were very large movements of immigrants from Germany to American states (especially Pennsylvania, the Midwest, and central Texas) throughout the 18th and the 19th centuries.