Month Unknown
Captain Obed Marsh and thirty-two other members of the Esoteric Order Of Dagon are arrested on Devil’s Reef. No official charges are made, but Captain Marsh is held for a couple of weeks in jail. The Deep Ones, upset at the lack of human sacrifices, attacks Innsmouth and kills or carries off over half the population. The losses are attributed to epidimic. The human population of Innsmouth and the Deep Ones begin to interbreed. (The Shadow Over Innsmouth, H.P. Lovecraft)
The seaboard between Newburyport and Innsmouth undergoes drastic changes from lush vegetation to dead stumps and crumbling sea walls above drifting sands. Locals attribute the change to devil worship. (The Shadow Over Innsmouth, H.P. Lovecraft)
Captain Obed Marsh takes a second wife, Pth’thya-l’yi, one of the Deep Ones. He has three children by her. (The Shadow Over Innsmouth, H.P. Lovecraft)
Three disappearances occur in Providence, Rhode Island, all attributed to the Starry Wisdom cult. The first public mention of the Shining Trapezohedron is made. (The Haunter of the Dark, H.P. Lovecraft)