• ●Digvijay Diwas is observed on 11 September, the date of Swami Vivekananda's first address at the World's Parliament of Religions, Chicago, in 1893.
• ●The Parliament sat from 11 to 27 September 1893 and brought together representatives of many religions and denominations.
• ●Venue: the Permanent Memorial Art Palace, also called the World's Congress Auxiliary Building, later the Art Institute of Chicago; the Parliament was part of the World's Columbian Exposition.
• ●Vivekananda opened with 'Sisters and Brothers of America', addressing an audience of several thousand delegates.
• ●His argument: India had long practised acceptance of all religions; sectarianism, bigotry and fanaticism had caused much of the world's suffering.
• ●Slogans associated with his later addresses: 'Help and not Fight', 'Assimilation and not Destruction', 'Harmony and Peace and not Dissension'.
• ●Vivekananda represented Hinduism and the Vedanta tradition on that platform, and the speech is treated as the point at which Indian philosophy reached a global audience.
• ●He founded the Ramakrishna Mission on 1 May 1897; its headquarters, Belur Math in West Bengal, is also the headquarters of the Ramakrishna Math.

• ●Born 12 January 1863 in Calcutta as Narendranath Datta; his birth anniversary is observed as National Youth Day.
• ●Disciple of Ramakrishna Paramahamsa.
• ●Addressed the World's Parliament of Religions, Chicago, on 11 September 1893 - commemorated as Digvijay Diwas.
• ●Founded the Ramakrishna Mission on 1 May 1897, with Belur Math as its headquarters.
• ●Died on 4 July 1902 at Belur Math.

Digvijay Diwas, observed on 11 September, commemorates which event?