When Hitler is discussing the flaws of democracy and sits on an armchair he is the only one on it, but then suddenly Eva Braun is sitting on one of the arms next to him.
During the wedding ceremony between Hitler and Eva, the marriage officiant goes through Eva's date of birth reading it out as 1910, yet Eva Braun was born in 1912.
During Hitler's marriage ceremony to Eva Braun, witness Joseph Goebbels gives his date of birth as October 26th 1897 instead of the 29th.
The map of Europe shown along with the opening credits show the post-war frontiers with the Oder-Neisse-Line as Germany's Eastern frontier.
The map of Europe shown along with the opening credits show a unified Iberian Peninsula, although this union ended in 1640.
Hitler says that 2 cyanide pills are in each small box, but Magda Goebbels asks him for 6 boxes "for the children". She only had 6 children though, so would only need 3 boxes to poison them all.