The establishment of the German Empire refers to the historical event announced by Germany on January 18, 1871. This event marked the completion of Germany's unification and imperialism process. The establishment of the German Empire was led by the Prime Minister of the Kingdom of Prussia, Bismarck, who incorporated various countries and regions of Germany into a unified national system through diplomatic means and military actions. The capital of the German Empire was located in Berlin, and William I became the first German Emperor.
The German Empire is established with a key factor changed: Otto von Bismarck's assassination attempt fails.