The Cathedral Basilica of the Assumption of the Blessed Virgin Mary was built in 1899 on the plan of a Latin cross basilica type. As of 25 March 1992 is the cathedral of the Diocese of Sosnowiec.
The most important Catholic shrine of Sosnowiec was built between 1893 and 1899. In 1896 there was put into operation for the faithful the lower chapel. In 1899 the Bishop of Kielce Tomasz Kulinski erected a new parish, freeing it from the area of the parish of Czeladź. In the year 1901 there was put into operation the rectory.
In October 2014 it was affected by a fire.
References:Visby Cathedral (also known as St. Mary’s Church) is the only survived medieval church in Visby. It was originally built for German merchants and inaugurated in 1225. Around the year 1350 the church was enlarged and converted into a basilica. The two-storey magazine was also added then above the nave as a warehouse for merchants.
Following the Reformation, the church was transformed into a parish church for the town of Visby. All other churches were abandoned. Shortly after the Reformation, in 1572, Gotland was made into its own Diocese, and the church designated its cathedral.
There is not much left of the original interior. The font is made of local red marble in the 13th century. The pulpit was made in Lübeck in 1684. There are 400 graves under the church floor.