The Theosophical Society was established in 1875 by Helena Blavatsky and others to explore and promote esoteric traditions from both Eastern and Western philosophies. This organization sought to investigate the underlying unity of all religions and foster a deeper understanding of spirituality. Its influence extended into the realms of spirituality, philosophy, and the arts, impacting various movements and thinkers in the late 19th and early 20th centuries.

The founding of the Theosophical Society in 1875 profoundly influenced poets like W.B. Yeats, who incorporated occult and Eastern spiritual themes into their works. This blending of mysticism and literature contributed to the Symbolist movement, which sought to express the ineffable through rich imagery and symbolism.