Lev Aleksandrovich Tikhomirov, a revolutionary, and later a major conservative notionalist and public figure, had done a lot to defend the interests of Orthodoxy in Russia and to protect it. The article examines this direction of Tikhomirov’s literary and journalistic heritage in connection with his biography. Unlike most politicians of the conservative camp, Tikhomirov started analyzing Russia’s policy in the newly annexed territories (the Western Caucasus, Central Asia and the Ussuri Region) with the focus on the religious component of this issue as early as the first years after his return to Russia from emigration. He argued the point that the geopolitical consolidation of the Russian Empire on the national outskirts was impossible without strengthening its socio-cultural and, first of all, religious influence there. Later, he concentrated on the fight against V.S. Solovyov, V.V. Rozanov and especially L.N. Tolstoy’s “religious intellectualizing”, which had strayed far from true Orthodoxy. The ideas he expressed in these discussions had laid the foundation for his theory of the monarchical state-hood. Relying on the historical experience of the country’s development, Tikhomirov noted In his fundamental study “Monarchical Statehood” (1905), that Russia was a country with particularly favorable conditions for the formation of a monarchical form of government. Among the conditions necessary to develop an ideal type of monarchy, Tikhomirov gave the first place to the religious principle. The article also draws attention to his publicistic work in 1905-1908 and considers the projects he proposed for the transformation of relations between the church and the state. Here, the period of his work as an editor and publisher of the Moscow Vedomosti newspaper from 1909 to 1913 stands out from the rest. At that time, the newspaper used to pay a great amount of attention to the analysis of the church policy of the country and to very harsh criticizing of the religious legislation discussed from the rostrum of the State Duma. After his retirement at the end of 1913, Tikhomirov had settled in Sergiev Posad, where he worked on his historiosophical work “Religious and Philosophical Foundations of History”. Tikhomirov finished his earthly journey in 1923 and was buried in Sergiev Posad. At present, his intellectual legacy concerning the organization of the church and state policy and the role of the Russian Orthodox Church in the life of the Russian society is a focus of interest and demand.