Factual error: In one of the scenes in which took place in a white room, on the door behind the character's head is a modern day "door closer". Door closers were invented in 1880 by Lewis C Norton of the the LCN Company and the first one was installed at Boston Trinity Church in 1880, was some 15 years after this film took place.
Factual error: In the flag ceremony Lincoln raise a US Flag with 35 stars which was in use from 1863-1865. Later, Lincoln is riding through the aftermath of a battle scene and the soldier following is carrying a flag which matches the 1877 US flag with 38 stars.
Factual error: When Mrs. Lincoln is greeting the guests at the party, she says, "The White House and the other house." The presidential mansion was not called the White House until Teddy Roosevelt gave it that name in 1901.
Suggested correction: Teddy Roosevelt only made the nickname "The White House" the official name in 1901. The nickname was used in the 1800s.
