The Theosophical Society held its 150th international convention at its headquarters in Adyar, Chennai, on the theme 'One World, One Life: The Spirit of New Humanity'. Helena Blavatsky and Colonel H.S. Olcott founded the society in New York in 1875, and it moved to Adyar on 19 December 1882. Annie Besant joined in 1889 and became its president in 1903. She later led the Home Rule movement in India.