This article is a chronological index of some of the main events in the prehistory and history of Spiritism, covering events from the 16th century - starting with the emergence of Spiritism in 1857 with the release of The Spirits' Book - until the end of the 20th century.
1910 (May 14-18) - I Universal Spiritist Congress in Brussels, where the "Bureau International d'Espritisme" was created, headquartered in Liège, Belgium
1924 (July 23) - The name of Mina Crandon is presented as a candidate for a prize offered by the magazine Scientific American to any medium who could demonstrate telekinetic abilities under scientifically controlled conditions.
1924 - Scientific theory of Spiritism by Charles Henry
1925 - International Spiritist Congress in Paris, organized by the International Spiritist Federation, with representatives from 22 countries, presided over by Léon Denis
1925 (May 15-18) - I National Spiritist Congress held in Portugal, promoted by the Algarve Spiritist Union
1937 - Foundation of the "Hellenic Metapsychic Society" (later renamed "Athens Metapsychic Society") in Athens, Greece. Among its founders is the Greek criminalist and former professor at the University of Athens, Panes Yotopolos (1878-1965).
1939 - Interruption of the publication of the periodical Luce e Ombra in Rome, Italy, by the fascist regime. The periodical would only resume publication in 1946.
1940 - Spiritism, under the name "Heliosophy," is established in Guatemala. The designation was adopted in compliance with the laws of that country, which at the time prohibited the use of the true name. Since then, the "Heliosophic Schools", protected under this name, have been disseminating the doctrine of Allan Kardec.
1941 (October 19-26) - I Brazilian Umbanda Congress held by the Spiritist Federation of Umbanda
1944 - Publication of the book "Nosso Lar" by Chico Xavier
1946 - I Pan-American Spiritist Congress in Buenos Aires, Argentina
1973 (July 15-21) - III Brazilian Umbanda Congress held in Rio de Janeiro
1975 - II International Congress of Psychotronic Research in Monte Carlo, Monaco, promoted by "The International Association for Psichotronic Research"
DOYLE, Arthur Conan. História do Espiritismo. (Original title: The History of Spiritualism) São Paulo: Ed. Pensamento, 1960. (Note: See the FEB edition, which translates it correctly as A HISTÓRIA DO ESPIRITUALISMO)
LOMBROSO, Cesare. Hipnotismo e mediunidade. Rio de Janeiro: FEB, . 435p. ISBN 0000007323