Why did Russia have such a strong effect on Rainer Maria Rilke?

Russia held a profound influence on Rainer Maria Rilke primarily because he perceived the country as an external reality that perfectly mirrored his own inner world. Introduced to Russia by his close friend and confidante Lou Andreas-Salomé, Rilke visited the nation in 1899 and 1900, finding it to be an "elective homeland" that left a deeper impression on him than almost any other place.1

For Rilke, Russia possessed an elemental, religiously moving quality that harmonized "God," "human community," and "nature" into a singular, cosmic spirit of being. This experience was transformative for his artistic development; he later identified his time in Russia as the true beginning of his serious work, specifically inspiring his long three-part cycle of poems, Das Stunden-Buch (The Book of Hours). In these poems, Rilke found his unique voice, moving beyond the stylistic trends of the 1890s to express a new, self-celebratory fervor that defined his mature poetic identity.12