It is the main church of the Archdiocese of Bialystok and acquired the status of basílica in 1985 by decision of Pope John Paul II.

[4] Ultimately, the dean commissioned Dziekoński to prepare the designs, who completed the project at the end of 1895 and dated it January 1, 1896.

[5] The plan of the future temple reflected the building trends in sacral architecture at the time and assumed the construction of a so-called great cathedral in the Vistula-Baltic Gothic style.

In accordance with the administrative procedures of the time, the faithful submitted an application to the dean to build a new church, who sent the request along with the design and cost estimate to the Bishop's Curia in Vilnius.

[6] When sending he proposal to the Bishop in Vilnius, the dean emphasized the fact that they had been prepared by the clerk of the Saint Petersburg Academy of Arts, architect Józef Dziekoński.

The turning point for the matter of building a new church was the visit of Tsar Nicholas II to Białystok in August 1897.

He slightly changed the appearance of the towers, enriching them with openwork structures, multi-stepped buttresses, pointed arches, pinnacles and spire cupolas.

In February, the Consistory sent a letter to the dean authorizing the expansion of the existing parish church, informing that the investment should be financed from voluntary donations from parishioners.

At the beginning of 1925, the Warsaw sculptor Wincenty Begnesy presented a design for the stalls and the frame of the portal leading to the sacristy.

In 1938, an agreement was concluded with the City Council regarding the regulation of the intersection of Kościelna and Niemiecka Streets (currently Kilińskiego); a concrete retaining wall was built to secure the temple located on a high embankment, and the square in front of the church facade was redesigned.