Trinity Cathedral Klobukova Nicholas Monastery was built in 1664 - 1684's Cathedral was built in two stages. First, in 1664 on the site of the wooden church laid stone Nicholas Church. His churchwarden made Ansimov landlords. Later he served as a chapel of Holy Trinity Cathedral Church, built in 1671-1684, respectively.

Initially, the temple facades ended with innovative features semi-circular shape of the arch rose one chapter. Chapel also has one chapter. On the south side there is a belfry.

In the mid-18th century cathedral was reconstructed, the north side of St. Nicholas built a small chapel with a semicircular apse and the sacristy, located west longest porch, stretched along the transverse axis with arched openings. She served as the basis for the bell tower, which is repeated in smaller proportions of the main octagon on the quadrangle. The porch was connected to the central location the arch, which was increased in 1823. The cathedral became the first in the city structure, made in an "octagon on the quadrangle." Silhouette buildings became more massive and visible from afar. Heavy cubic volume into wide octagon.

In 1929 the bell tower bells removed, dismantled iconostasis was dismantled in 1931, the bell tower. Before our time architectural monument came with considerable losses, and greatly distorted.