| January 30 (February 11) | Lenin completes the preparation for the press of his The Development of Capitalism in Russia. |
| January | Lenin's “A Note on the Question of the Market Theory (Apropos of the Polemic of Messrs. Tugan-Baranovsky and Bulgakov)" is published in Nauchnoye Obozreniye, No. 1. |
| February | Lenin reviews R. Gvozdev's book, Kulak Usury, Its Social and Economic Significance, Parvus The World Market and the Agricultural Crisis, and the handbook, Commercial and Industrial Russia. |
| First half of March | Lenin writes “Once More on the Theory of Realisation," an article against Struve. |
| Prior to March 21 (prior to April 2) | Lenin writes a review of Kautsky's The Agrarian Question. |
| March 24-31 (April 5-12) | Lenin's The Development of Capitalism in Russia is published, under the signature of Vladimir Ilyin. |
| April 4 (16)-May 9 (21) | Lenin writes two articles under the common heading, “Capitalism in Agriculture (Kautsky's Book and Mr. Bulgakov's Article)." |
| May 2 (14) | Lenin's house in the village of Shushenskoye is searched and Lenin is interrogated when the police establish the fact of his correspondence with exiled Social-Democrats. |
| May | Lenin's review of Hobson's work, The Evolution of Modern Capitalism, is published in Nachalo, No. 5. |
| Prior to May 29 (prior to June 10) | Lenin writes his “Reply to Mr. P. Nezhdanov," an article against revisionism. |
| Prior to August 22 (prior to September 8) | -- Lenin writes “A Protest by Russian
Social-Democrats” against the Credo, the manifesto of
the “economists."
-- In the village of Yermakovskoye Lenin organises a conference of 17 Marxist political exiles which approves his “A Protest by Russian Social-Democrats." |
| September 9-15 (21-27) | Lenin's translation of Volume I of the Webbs' Industrial Democracy is published, under the signature of Vladimir Ilyin. |
| September 10 (22) | Lenin attends the funeral in Yermakovskoye of A. A. Vaneyev, an exiled member of the St. Petersburg League of Struggle for the Emancipation of the Working Class, and speaks at the grave-side. |
| Beginning of September 1899-January 19 (31), 1900 | Lenin and Krupskaya edit the Russian translation of Volume II of the Webbs' Industrial Democracy sent them from St. Petersburg. |
| Not earlier than October | Lenin accepts the proposal to edit Rabochaya Gazeta, which was recognised at the First Congress of the R.S.D.L.P. as the official organ of the Party, and, somewhat later, a further proposal to contribute to the newspaper. Lenin writes, three articles for Rabochaya Gazeta and a “Letter to the Editorial Group." |
| End of the year | -- Lenin writes a review of S. N. Prokopovich's book,
The Working-Class Movement in the West.
-- Lenin writes a review of Kautsky's book, Bernstein and the Social-Democratic Programme. A Counter-Critique. -- Lenin and Krupskaya translate Kautsky's book, Bernstein and the Social-Democratic Programme. A Counter-Critique. Lenin's “A Protest by Russian Social-Democrats” is published in Geneva as a reprint from Rabocheye Dyelo, No. 4-5. -- Lenin writes the articles: “A Draft Programme of Our Party”; “A Retrograde Trend in Russian Social-Democracy”; “Apropos of the Profession de foi”; “Factory Courts”; “On Strikes." |
| 1898-99 | Lenin corresponds with F. V. Lengnik, who was in exile (the correspondence is devoted mostly to a discussion of philosophical questions). |