[1] From 1845–1846, the structure was expanded by architect Adrian Ruben with the addition of a fourth floor and converted to S. Poggenpol's apartment house.

[2] At this point, the hotel had 75 rooms and numerous shops on the ground floor.

It returned to its original name in 1925, the same year poet Sergei Yesenin hanged himself in the hotel on 28 December.

The hospital closed in the summer of 1942 and the building remained vacant until the end of the war.

It was the first major public protest in the history of the Soviet Union to be left unpunished by the authorities.