1st Khvostov Lane begins at Bolshaya Polyanka Street, crosses Malaya Yakimanka, and leads to Bolshaya Yakimanka. Its length is approximately 350 meters. The name of the lane, like that of 2nd Khvostov, is connected to the boyar and thousand Alexei Khvost Bosovolkov, who owned these lands in the 14th century. Historian Romanyuk offers another version: the name may be related to the village of Khvostovskoye, located "near the city of Lug Velikiy across the river," that is, in Zamoskvorechye.

In the old alleys of Zamoskvorechye stands a small two-story house in the shape of a G. Externally, it does not stand out, but it has historical significance. From 1880 to 1890, the famous Russian historian Vasily Osipovich Klyuchevsky lived here, the author of the renowned course of Russian history in five parts.

Klyuchevsky was born in the village of Voskresenovka in the Penza province. In 1861, at the age of 20, he came to Moscow and enrolled in the historical and philological faculty of Moscow University. Since 1879, he had been giving lectures on Russian history, and from 1887 to 1889, he served as the dean of the faculty and the university's prorector. During this period, he lived in house No. 6 on 1st Khvostov Lane with his wife Anisya Mikhailovna Borodina and their son Boris, who also became a historian.

In this house, Klyuchevsky worked on his lectures, which formed the basis of the "Course of Russian History." Here, he also created other significant works important for Russian historical science. Later, he moved to Zhitynaya Street, where his library and archive remained.

The house where Klyuchevsky lived still stands in its place and is recognized as a cultural heritage site. It is now vacated and available for rent or sale. As A.S. Pushkin wrote: "Inspiration is not for sale, but a manuscript can be sold." Paraphrasing, one could say that history is not for sale, but the building can be sold. We hope it will end up in good hands. Let us return to Klyuchevsky, who perhaps wrote in this house: "History is not a teacher, but a punisher: it teaches nothing, but severely punishes for ignorance of lessons."