Factual error: During the 31st year of the Avalon's voyage, the ship passes close to the star Arcturus, which is about 37 light years from Earth. Later in the movie, it was stated that the Avalon was moving at around 50% of the speed of light. The ship would not have reached Arcturus in the time allotted.
Factual error: Mrs. Loving washes Corelle dishes after dinner with the Life magazine photographer. Those photos were in 1965 and Corelle dishes were not introduced until the 1970's. (01:27:00)
Factual error: Himmler incorrectly refers to the Nazi Party as the National Socialist Democratic Workers Party. The proper name is the National Socialist German Workers Party. (01:08:10)
Factual error: When Desmond's father is in his WW1 uniform, to the far right he is wearing a French Croix de Guerre (Cross of War) - the medals themselves are identical however, this decoration incorrectly hangs from a WW2 type ribbon.
Factual error: Special Duties Lysanders are shown operating from the same airfield as Lancaster Bombers. This never happened, they flew from RAF Tempsford in Bedfordshire. The bombers shown have the squadron code PD, these aircraft flew from RAF Waddington in Lincolnshire.
Factual error: A bullhorn can be heard in the background off-screen during a battle with the zombies, even though the movie takes place during Victorian times. (01:19:30)
Factual error: The presidents of South Africa, South West Africa and the Rhodesias all object to Seretse and Ruth's marriage. But the head of state of all these countries and territories at the time was King George VI. None of them had presidents.
Factual error: When Steve Carell is telling his nephew Jesse Eisenberg that he is leaving his wife, the view from his 1930s era Hollywood Hills home shows the modern skyscraper-filled LA downtown skyline.