| After January 4 (17) | Lenin drafts the appeal “To the Party Membership” assailing the opportunist views of the Menshevik Iskra. |
| January 15-17 (28-30) | Lenin attends a session of the Party Council in Geneva and speaks on measures to restore peace in the Party and on the convening of the Third Party Congress. |
| Between January 20 and 25 (February 2 and 7) | In a letter to Central Committee member Krzhizhanovsky Lenin warns of the danger of the Mensheviks usurping the Central Committee and insists that preparations should be launched in the local committees for convening the Third Party Congress. |
| Latter part of January (beginning of February) | Lenin begins work on One Step Forward, Two Steps Back. |
| End of January (early part of February) | Lenin drafts the appeal “To the Party” on the subject of the Party crisis and the splitting activities of the Mensheviks. |
| January | Lenin discusses with a group of Bolsheviks in Geneva the organisation of propaganda of the Party programme. |
| February 7 (20) | Lenin writes a letter to the compilers of the Commentary on the Minutes of the Second Congress of the League of Russian Revolutionary Social-Democracy Abroad, explaining the circumstances of his resignation from the Iskra editorial board. |
| March 1 (14) | Lenin resigns provisionally from the Party Council. |
| March 9 (22) | Lenin addresses a meeting of Social-Democrats in Geneva commemorating the anniversary of the Paris Commune. |
| End of March (early part of April) | Lenin drafts a May Day leaflet, which is issued over the signatures of the Central Committee and Central Organ of the Party. |
| March-April | Lenin leads a group among Social-Democrats in Geneva for study of the Party Rules. |
| May 6 (19) | Publication of Lenin’s book One Step Forward, Two Steps Back (The Crisis in Our Party). |
| May 13 (26) | Lenin writes a letter to the members of the Central Committee discussing the aggravation of the differences within the Central Committee and announcing that he is resuming his seat on the Party Council. |
| After May 15 (28) | Lenin draws up a plan of an appeal to the Party calling on the committees to decide the issue of convening the Third Party Congress. |
| May 31 and June 5 (June 13 and 18) | Lenin attends a session of the Party Council. |
| May or June | Lenin writes a letter to Bogdanov criticising his book Empirio-Monism. |
| June 11-12 (24-25) | Lenin rejects the proposal of the conciliator Central Committee member Noskov that he should join the Iskra editorial board and consent to the co-optation of two Mensheviks to the Central Committee. |
| Between July 22 and 30 (August 4 and 12) | Lenin edits the Bolsheviks’ report to the Amsterdam Congress of the Second International. |
| End of July (early part of August) | Under Lenin’s leadership, a conference of 22 Bolsheviks is held in Switzerland; it adopts the appeal “To the Party”, written by Lenin, which becomes the Bolsheviks’ programme of struggle for the convening of the Third Party Congress. |
| August 5 (18) | In a letter to the members of the Central Committee Lenin protests against the “July Declaration” adopted by its conciliator members. |
| August |
Lenin directs the organisation abroad of a Bolshevik publishing house of Social-Democratic Party literature. In a letter to the majority committees Lenin urges collecting literary contributions for the Bolshevik publishing house. |
| Early part (latter part) of September | Lenin writes the article “One Step Forward, Two Steps Back. Reply by N. Lenin to Rosa Luxemurg”. |
| After September 22 (October 5) | In a letter to the Central Committee’s Southern Bureau Lenin proposes that the Organising Committee for convening the Third Congress should be called the Bureau of Majority Committees. |
| After October 2 (15) | Lenin writes the article “An Obliging Liberal”. |
| Before October 20 (November 2) | Lenin drafts an Announcement of the Formation of a Bureau of Majority Committees. |
| Between November 1 and 8 (14 and 21) | Publication of Lenin’s pamphlet The Zemstvo Campaign and “Iskra’s” Plan. |
| Before November 19 (December 2) | Lenin gives a talk for Party members in Geneva on the Zemstvo campaign and Iskra’s plan. |
| November 19 and 21 (December 2 and 4) | At a meeting of Party members in Paris Lenin delivers a talk on the situation within the Party and speaks in the discussion. |
| November 20 (December 3) | In a letter to the members of the Bureau of Majority Committees Lenin urges at once setting up a Bolshevik organ abroad. |
| November 23 and 24 (December 6 and 7) | Lenin delivers his talk on the situation within the Party at a meeting in Zurich. |
| November 25 (December 8) | Lenin delivers his talk on this subject in Berne. |
| November 26 (December 9) | Lenin returns to Geneva. |
| November 27 (December 10) | In a letter to Bureau of Majority Committees member Zemlyachka Lenin demands speedy publication in Russia of a printed announcement of the Bureau’s formation. |
| November 29 (December 12) |
Lenin leads a meeting of Bolsheviks which decides on the publication of an organ of the Party majority—the newspaper Vperyod. Lenin writes “A Letter to the Comrades (With Reference to the Forthcoming Publication of the Organ of the Party Majority)”. |
| After November 29 (December 12) | Lenin receives the resolution of a conference of the Caucasian committees on the convening of the Third Party Congress. |
| December 9 (22) | Lenin writes the pamphlet Statement and Documents on the Break of the Central Institutions with the Party. |
| Before December 13 (26) | Lenin receives the resolutions of a conference of the northern committees on the convening of the Third Party Congress and the election of the Bureau of Majority Committees. |
| December | Lenin sends the members of the Bureau of Majority Committees in Russia a draft Announcement of the Formation of an Organising Committee and the Convening of the Third Regular Congress of the R.S.D.L.P. |
| December 22 (January 4) | Issue No. 1 of the newspaper Vperyod, edited by Lenin, appears in Geneva. The issue contains his articles: “The Autocracy and the Proletariat” (editorial), “Good Demonstrations of Proletarians and Poor Arguments of Certain Intellectuals”, “Time to Call a Halt!”, and others. Lenin writes the pamphlet “Statement and Documents on the Break of the Central Institutions with the Party.” |
| December 24 (January 6) |
In “A Letter to a Comrade in Russia” Lenin sharply criticises the attitude of the Menshevik newspaper Iskra towards bourgeois democracy. Lenin reads a paper at the Russian colony of political emigrants in Geneva on the question of working-class and bourgeois democracy. |
| December 28 (January 10) | In a letter to A. A. Bogdanov, a member of the Bureau of Committees of the Majority, Lenin urges a definite and complete break with the Mensheviks. |
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