The construction site of the Church was chosen by Vazgen I, the Catholicos of All Armenians, in 1991 and the ground blessing service was conducted in the same year.

[1] The Church, built with the blessing of Vazgen I, the Catholicos of All Armenians, was named after the Apostle St. Thaddeus.

A memorial fountain dedicated to Hrant Vardanyan, is installed in the yard of the Church.On April 24, 2016, by the initiative of benefactors Mikayel and Karen Vardanyans, a khachkar was placed in the yard of the Church, in honor of the 1,5 million canonized martyrs of the Armenian Genocide.

The internal space is shaped by two intersecting squares, which symbolize eternity and purity of faith, and through the latter the whole structural system is constructed.

The height of the temple, without the cross on the dome, is 33 meters, which symbolizes the years of Jesus Christ’s life on earth.