Ghost Of Lincoln

After his assassination in 1865, rumors of ghost in the white House emerged, one notable sighting was when Queen Wilhelmina of The Netherlands in 1942 she was sleeping in a White House guest room when she heard knocking at her door, when she opened it Abe Lincoln stood there in his top hat which resulted in her fainting. 
== Mumler ==
In the 1872 Spirit photographer William H. Mumler made the photo in the info box of Mary Lincoln with her ghost husband behind her with his hands over her shoulders.https://en.wikipedia.org/wiki/Lincoln%27s_ghost