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