1912 March 16 : Commends Gokhale's attempts for abolition of indenture system.
1912 September 12 : Phoenix Trust is set up.
1912 October 22 : Accompanies Gokhale, on tour of South Africa, Laurenco Marques, Mozambique and Zanzibar.
Gives up European dress and milk and restricts himself to diet of fresh and dried fruit.
1913 January 18 : Refers in Indian Opinion to the possibility of return home to India by mid-year.
1913 March 14 : Indian marriages in South Africa invalidated by Searle's Supreme Court judgment.
1913 March 30 : Indians in mass meeting protest against Searle judgment.
1913 April 12 : In Indian Opinion draws attention to new Immigration Bill's failure to fulfill terms of Provisional Settlement of 1911. Kasturba decides to join Passive Resistance struggle.
1913 May 19 : Warns Government of certainty of revival of movement if it fails to grant promised relief.
1913 June 7 : Idea of return to India deferred in view of stringent application of discriminatory laws and likely resumption of Satyagraha.
1913 June 28 : Expresses readiness for negotiations.
1913 September 13 : Announces negotiations "proved abortive".
1913 September 15 : Passive Resistance is revived.
1913 September 16 : Kasturba is arrested.
1913 October 17 : Visits Newcastle; urges indentured Indians to cease work till repeal of £ 3 tax.
3000 miners strike.
1913 October 24 : Proposes 'March' into Transvaal.
1913 October 28 : 'March' from Newcastle begins.
1913 October 30 : Reaches Charlestown.
1913 November 3 : Announces 'March' into Transvaal to court arrest.
1913 November 5 : Telephones Smuts seeking assurance of repeal of £ 3 tax.
1913 November 6 : Leads ' Great March'.
1913 November 7 : At Volksrust, released on bail; rejoin Marchers.
1913 November 8 : Arrested at Standerton; released on recognizance; 'March' continues.
1913 November 9 : Arrested at Teakworth, taken to Balfour.
1913 November 10 : Takes 'one meal a day' pledge till repeal of tax.
1913 November 11 : Sentence, at Dundee, to 9 months' rigorous imprisonment.
1913 November 13 : Removed to Volksrust gaol.
1913 November 14 : Sentenced to 3 months on fresh count at Volksrust.
1913 December 18 : Released unconditionally; from time of release till settlement take only one meal a day and puts on indentured labourer's dress.
1914 January 13,16 : Interviews Smuts, submits proposals.
1914 January 22: Suspends satyagraha following agreement with Smuts.
Fourteen days' penitential fast for moral lapse of inmates of Farm.
1914 June : Indian Relief Act is passed.
1914 July 18 : Sails for England, en route to India.
1914 August 4: Reaches London. Raises Indian Volunteer Corps.
1914 October : Volunteer Corps on duty.
Offers satyagraha over administrative interference in corps.
1914 December 19 : Sails for India.
1915 January 9 : Reaches India.
Awarded Kaiser-i-Hind Gold Medal for Ambulance services.
1915 May 20 : Founds Satyagraha Ashram (later known as Sabarmati Ashram after the name of the river) at Ahmedabad.
1915-16 : Tours India and Burma, travelling 3rd class on the railways.
1917 : Successfully agitates against indentured Indian emigration; idea of making use of spinning-wheel to produce handmade cloth on large scale takes root in his mind.
1917 April : Goes to Champaran (Bihar) to investigate conditions of labour in indigo plantations; arrested and later released; appointed by Bihar Government as member of committee set up to inquire into ryots' grievances.
1918 Jan-March : Takes up cause of textile labourers of Ahmedabad and fasts to secure amicable settlement of dispute; initiates satyagraha in Kaira District (Bombay) to secure suspension of revenue assessment on failure of crops.
1918 April 27 : Attends Viceroy's War Conference at Delhi and addresses it in Hindustani; subsequently tours Kaira District to raise recruits for army.
1919 February 28 : Signs Satyagraha Pledge to secure withdrawal of Rowlatt Bills.
1919 April 6 : Inaugurates all-India satyagraha movement; countrywide hartal.
1919 April 8-11 : Arrested on way to Delhi for refusal to comply with order not to enter Punjab; escorted back to Bombay; outbreaks of violence in several towns.
1919 April 13 : Jallianwala Bagh tragedy at Amritsar, troops firing on an unarmed crowd and killing over 400. Addresses public meeting near Sabarmati Ashram and declares three days' penitential fast.
1919 April 14 : Confesses at Nadiad his 'Himalayan miscalculation' regarding satyagraha martial law declared in Punjab.
1919 April 18 : Suspends satyagraha.
1919 September : Assumes editorship of the Gujarati monthly, Navajivan, later published weekly in Hindi also.
1919 October : Assumes editorship of the English weekly, Young India; joins non-official committee of inquiry into official excesses in Punjab.
1919 November 24 : Presides over All-India Khilafat Conference at Delhi.
1919 December : Advises acceptance of Montague-Chelmsford Reforms by Congress at Amritsar.
1920 January : Leads deputation to Viceroy to press on British Government not to deprive Sultan of Turkey (who was also Khalifa of Muslims) of his suzerainty over Holy Places of Islam.
1920 August 1 : Addresses letter to Viceroy surrendering Kaiser-I-Hind Medal, Zulu War Medal and Boer War Medal.
1929 September : Special session of Indian National Congress at Calcutta accepts his programme of non-co-operation to secure redress of Punjab and Khilafat wrongs.
1920 November : Founds Gujarat Vidyapith at Ahmedabad.
1920 December : Nagpur Congress session adopts his resolution declaring object of Congress to be attainment of Swaraj by the people of India by all legitimate and peaceful means.
1921 April : Launches programme of enlisting a crore of members in Congress, raising a crore of rupees for Tilak Swaraj Fund and setting up 20 lakhs of charkhas in the country in furtherance of national constructive movement.
1921 August : Leads campaign for complete boycott of foreign cloth and lights monster bonfire of foreign cloth in Bombay.
1929 December : Invested with full dictatorial powers by Congress session at Ahmedabad.
1922 February 1 : Gives notice to Viceroy of intention to launch satyagraha campaign in Bardoli (Gujarat).
1922 February 5 : Following Chauri Chaura (U.P.) tragedy, in which 21 police constables and one sub-inspector were burnt to death by a mob, fasts for five days and abandons plan of satyagraha movement.
1922 March 10 : Arrested for sedition at Sabarmati and sentenced (March 18) to six years' imprisonment.
1924 Jan-Feb : Operated on for appendicitis in Sassoon Hospital, Poona (Jan. 12) and released on Feb. 5
1924 April : Resumes editorship of Young India and Navajivan.
1924 September 18 : Begins 21 days' fast for Hindu-Muslim unity.
1924 December : Presides over Congress session at Belgaum.
1925 September : Founds All-India Spinners' Association.
1925 November : Seven days' vicarious fast for misdeeds of Ashram inmates.
Commences writing his autobiography, The Story of My Experiments with Truth.
1927 November : Visits Ceylon.
1928 December : Moves resolution at Calcutta Congress session in favour of Independence if Dominion Status is not granted by end of 1929.
1929 December : At his instance Lahore Congress session declares that Swaraj in Congress creed shall mean Purna Swaraj (complete independence).
1930 February : Appointed by A.I.C.C. as Congress Disobedience movement.
1930 March 2 : Addresses letter to Viceroy intimating his intention to break Salt law if Congress demands are not conceded.
1930 March 12 : Commences march to Dandi sea-beach, where he ceremoniously picks up salt (April 6).
1930 May 5 : Arrested and imprisoned without trial; hartal all over India; over 100,000 are jailed before close of year.
1931 January 26 : unconditionally released from prison.
1931 Feb-March : Has series of talks with Viceroy resulting in Irwin-Gandhi Pact.
1931 August 29 : Sails for England as sole Congress delegate to Second Round Table Conference.
1931 Sept-Dec : Attends sessions of Conference.
1931 December 5 : Leaves England for India.
1931 December 28 : Lands in Bombay.
1932 January 4 : Arrested and imprisoned without trial.
1932 September 20 : Commences 'fast unto death' in jail to secure abolition of separate electorates for Harijans in Communal Award.
1932 September 26 : Breaks fast on Government of India's acceptance of his demand regarding Harijans.