Further, this request would support:[2] The same year, Bydgoszcz municipal authorities offered an extensive plot of land for the new church and missionary school.

On 1 May 1924 a decree of Cardinal Edmund Dalbor erected the St. Vincent de Paul to parish level, and on 15 October 1925 missionary priests, led by Father Antoni Mazurkiewicz, began their pastoral work.

Antoni Mazurkiewicz and his successor, Father Ludwik Moska, who traveled regularly to the United States to raise funds from Polish Americans.

The outbreak of World War II required a swift completion of the dome covered with a roof, with an internal staircase connecting the Assembly House with the church.

Then began the long process of reconstruction: After declining a series of projects, Polish authorities authorised in 1966 the construction of the outer dome started.

According to Zin's draft, marble pilasters with Corinthian capitals were placed inside, a choir built and reflective mirrored mosaic installed.

The consecration ceremony took place on 22 May 1980 in a mass celebrated by Primate of the Millennium Cardinal Stefan Wyszyński, with the participation Father Tadeusz Gocłowski, representing the Congregation of the Missionaries of St. Vincent de Paul.

In the following years, further additions have been carried out: a marble floor was laid across, the exterior walls were plastered using originally designed stucco details.

On 7 October 1997, Pope John Paul II elevated the church to the rank of Minor basilica during a mass held in Gniezno.

The basilica is located in the immediate vicinity of the area named Idyll district (Polish: Sielanka), developed, planned and designed in the early 1920s by German architect Josef Stübben.

Echoing the theme on the altar, two mosaics on each side of chancel's wall remind St. Vincent de Paul Christian charity.