Modern Spiritualism
The Modern Spiritualist movement dates from 1848 when the Fox sisters of Hydesville, New York produced knocking sounds that were alleged to be messages from a spirit. Spiritualists communicate with the spirits of people who have died.
(Image shows Rev. Judith Rochester at the Lily Dale Assembly, NY, the world's largest Spiritualist community.)Go to the BBC website and read thier brief outline on modern Spiritualism.