The official opening of the Alexander Square took place on July 30, 1912. By a resolution of the Presidium of the Irkutsk City Council of November 3, 1920, among other renames, Alexander Square became the square of the Paris Commune. On May 9, 1960, the former Alexander Garden was partially destroyed, many buildings were liquidated, and its staff was transferred to Glazkovo, the railway garden, which from that time became known as the Garden of the Paris Commune.

The Lutheran church in the name of the Ascension was built in October 1885 according to the project of the architect G.V. Rosen. The temple was closed in 1919, later it was occupied by a dormitory of students of the pedagogical institute. The church was completely demolished in 1952 before the opening of the monument to V.I. Lenin.

Before the Stalinist five-year plans on the banks of the Angara, not far from the Savior and the Epiphany churches, Kazan Cathedral towered, which was a kind of symbol of the cultural prosperity and wealth of Irkutsk in the late XIX - early XX centuries. Located in the city center, the temple not only dominated the surrounding buildings, but also visually united individual parish churches, whose expressive volumes created a unique picturesque silhouette of the city.

On the western side of Ivanovo Square is the former estate of the merchants Trapeznikovs (Proletarskaya St., 10). In 1798-1802, a stone house was built on this place by the merchant of the 2nd guild Stefan Fedorovich Kiselyov. By order of Emperor Nicholas II, Irkutsk court orders were opened in this building on July 2, 1887 by the Minister of Justice by State Secretary Muravyov.

The ancient gate, hastily dismantled in 1928, has now been restored, their significance has been recognized in the panorama of the city. All visitors were met by the Moscow Gate, solemnly laid on July 9, 1811 on the occasion of the celebration of the tenth anniversary of the reign of Alexander I.

The White House - the mansion of merchants Sibiryakov, preserved to this day, was built in 1817-1821. After the death of K.M. Sibiryakova treasury acquires the palace from the heirs to house the residence of the Governor General of Eastern Siberia. Since 1918, the White House building houses one of the largest libraries in Russia with a collection of more than 3.5 million items.

The church record tells that the original wooden church was built in 1703 by immigrants from Veliky Ustyug, who brought with them to Irkutsk the icon of Procopius and John of Ustyug Wonder-workers, which gave the name to the temple itself. In August 1748, the wooden church burned down, and since the construction of the new stone was not yet completed, on November 10 of that year, only one altar was consecrated in the name of the Presentation of the Lord. The main altar in the name of Procopius and John of the Ustyug Wonder-Workers was consecrated on August 25, 1767. Since 1925 it was registered as a monument of architecture and protected by the state, and yet the building was soon demolished.