Undated: A woman is supposedly murdered in Cherokee during the  1800s, leading to the Cherokee cemetery becoming haunted. 
Downtown Oroville is claimed to have a network of underground tunnels below it. These are claimed to have been built by the local Chinese community during the 19th and 20th centuries.

October 20, 1930: A death-row prisoner, William Kogut, commits suicide in San Quentin death row by making a pipe bomb out of playing cards. He was in prison for murdering Mayme Guthrie, an Oroville rooming house and brothel owner.

July 12, 1969: A man named Charles Jackson claims to see an "ape-like creature" near his home on Cherokee Road.