In the movie it is said that Prince of Bismarck resigned from his duty as Chancelor of the Reich on the 27. March. However Otto von Bismarck resigned from the position as Chancelor on the 18th March 1890.
The leader of the colonial organization said that their job is it to create "thoughts" of the colonies for the future. This is not true. The German Colonial Organization, during the first half of the 1880s wanted national rivalry between other big nations as well as economical support of existing colonies and gaining of new colonies.
The official in the Federal Foreign Office in the 1880s-1890s was called Paul Kayser, not Leo Kayser as stated in the movie. Also he didn't have a brother named Julius, as stated in the movie.
The movie states that Carl Peters was the first German who was contacting Africa. However at the same time Otto von Bismarck, who originally was against colonies, was sending business men to Tansania.
In the movie Count Pfeil wrote the contract with the chief of Sansibar. However according to Carl Peters memoirs he wrote the contract himself.
Carl Peters' uncle Karl Engel died in 1882. However in the movie Peters is living with him in 1883.
In the Piccadilly Club London the band is playing "Daisy Bell", a song that was written in 1892. The scene however is set in 1883.
When being in Africa for the first time Carl Peters says "Heia Safari". This phrase wasn't used in the German Language until the 1910s.
In the movie Karl Jühlke was shot in 1890. In real life he was killed in 1886.
The German Colonial organization "Deutsche Kolonialverein" was in 1883 in Frankfurt/Main, not in Berlin, as stated in the movie. It moved its headquarters to Berlin in 1885.