In the years 1915-1918, Tadeusz Micinski stays in Russia (Moscow, St. Petersburg) as an Austrian subject. His interests and activities in that period have many-sided character and manifest in diverse forms. In Russia Micinski continues his literary and journalistic work. He publishes in the Polish emigration papers (e.g. 'Echo Polskie') and Russian ones (e.g. 'Utro Rossii'). He takes an active part in political, cultural and educational program of the Polish community in Moscow and Petersburg. In the Societies and Literary-Artistic Circles he lectures on Polish literature, delivers lectures during anniversary meeting and scientific courses. Micinski collaborates with Russian intellectuals and authors as well. He is interested in new artistic concepts, publishes reviews of drama performances and exhibitions of paintings. In both milieus Micinski plays the role of an emissary of Polish moral and religious revival as well as a mandatary of Polish messianism. In Moscow Religious-Philosophical Society he takes part in discussions about unification of Slavs. In this lectures, which were accepted with a respect by Russian authors and thinkers as Viacheslav Ivanov, he underlines the role of Poland in linking Western and Eastern cultures.