One of the oldest buildings surviving in the town of Sebezh, became the church of Life-Giving Trinity. It is located on a small hill and closes the prospect of a pre-existing streets in the part of Peter the Great, which goes directly to the Castle Mountain. Church of the Holy Trinity is a typical example of a provincial church, the baroque and survived to this day without any global rearrangements. From the south from the church, passing through a small area, which previously was known as Commerce, it is a house of priest, which is a 19th century (today the building belongs to the building of the military enlistment office).

It should be noted that the church of the Holy Trinity has a fairly long and fascinating history. In the spring of March 20, 1625, according to the decree of the Polish King Sigismund, took the inception of the wooden church in the area of ​​the while working Basilian convent. In mid-1649 a famous tycoon named Jerome Radziwill became Sebezhsky count and decided to lay on the ground before the current, but soon the burnt wooden church, church, lined with stone. Prior to 1954, namely at a time when Moscow went to the Sebezh state construction of the church had been completed and was held a ceremony of consecration. In the period from 1654 to 1674 is not known exactly which events have taken place with the monastery, either close it or he simply ceased to exist and called Basilian. Most likely, in the church conducted Orthodox services.

In mid-1673 Sebezh reverts to the Polish state. After this event in the temple resumed Mass. Also at this time there is complete, in the shape of the bulb on all the towers, as well as on the church altar. During the years 1772-1804 in the church church services were not held due to the fact that the building has strongly decayed.

In terms of the Church of the Holy Trinity is a one-nave building, which has a rectangular porch and equipped by the West pentagonal apse. The facade, located on the west side, is decorated with two towers and a pediment.

In 1804 the building became the parish church. In hard times for Russia, namely in 1917, the church was closed. Many years later, from 1960 to 1970, in the building of the church it was a hostel, after which the church has turned into an ordinary grocery store. In 1985, the warehouse building had a strong fire, due to which almost completely burnt down the roof, and then building completely abandoned, and it became progressively deteriorate.

By the end of 1988 burnt and dilapidated building was transferred to the newly established Orthodox community. The gradual recovery was carried out on cash parishioners and non-repayable contributions enterprises not only the city but the region. The following year, the Archbishop of Pskov and Velikie Eusebius carried consecrated the Holy Trinity Cathedral.

In celebration of the 350th anniversary of the city of crosses and domes were covered in gold, and the building has been painted in a beautiful green color. The temple was made of painted tops of the walls, as well as set the church iconostasis. He was consecrated a new nominal bell, weighing up to about 500 kg, which was made in Minsk for cash donors.

Today the Church of the Holy Trinity is acting, Orthodox services are held here.