1863January 12Birth in Kolkata
1879 Enters Presidency College
1880 Transfers to General Assembly Institution
1881NovemberFirst meeting with Sri Ramakrishna
1882-1886 Association with Sri Ramakrishna
1884 Passes B. A. Examination
  Father passes away
1885 Sri Ramakrishna's last illness
1886August 16Sri Ramakrishna passes away
 FallEstablishes Baranagar Math
 December 24Informal vow of sannyasa at Antpur
1887JanuaryFormal vows of sannyasa at Baranagar Monastery
1890-1893Travels all over India as itinerant monk
1892December 24At Kanyakumari, South India
1893February 13First public lecture, Secunderabad, South India
 May 31Sails for America from Mumbai
 July 25Lands at Vancouver, Canada
 July 30Arrives in Chicago
 AugustMeets Professor John Henry Wright of Harvard University
 September 11First address at Parliament of Religions, Chicago
 September 27Final address at Parliament of Religions
 November 20Begins mid-western lecture tour
1894April 14Begins lectures and classes on East Coast
 May 16Speaks at Harvard University
 July-AugustAt Green Acre Religious Conference
 NovemberFounds Vedanta Society of New York
1895JanuaryBegins classes in New York
 June 4-18At Camp Percy, New Hampshire
 June-AugustAt Thousand Island Park on St. Lawrence river, N.Y.
 August-SeptemberIn Paris
 October-NovemberLectures in London
 December 6Sails for New York
1896March 22-25Speaks at Harvard University, offered Eastern Philosophy chair
 April 15Returns to London
 May-JulyGives classes in London
 May 28Meets Max Muller in Oxford
 August-SeptemberIn the Europe for six weeks
 October-NovemberGives classes in London
 December 30Leaves Naples for India
1897January 15Arrives in Colombo, Sri Lanka
 February 6-15In Chennai
 February 19Arrives in Kolkata
 May 1Establishes Ramakrishna Mission Association, Kolkata
 May-DecemberTours northwest India
1898JanuaryReturns to Kolkata
 MayBegins North India pilgrimage with Western devotees
 August 2At Amarnath, Kashmir
 December 9Consecrates Belur Math
1899March 19Establishes Advaita Ashrama at Mayavati
 June 20Leaves India for second visit to the West
 July 31Arrives in London
 August 28Arrives in New York City
 August-NovemberAt Ridgely Manor, New York
 December 3Arrives in Los Angeles
1900February 22Arrives in San Francisco
 April 14Founds Vedanta Society in San Francisco
 JuneFinal classes in New York City
 July 26Leaves for Europe
 August 3Arrives in Paris for International Exposition
 September 7Speaks at Congress of History of Religions at Exposition
 October 24Begins tour of Vienna, Constantinople, Greece and Cairo
 November 26Leaves for India
 December 9Arrives at Belur Math
1901JanuaryVisits Mayavati
 March-MayPilgrimage in East Bengal and Assam
1902January-FebruaryVisits Bodh Gaya and Varanasi
 MarchReturns to Belur Math
 July 4Mahasamadhi