The Latin cathedral, whose construction probably began in the 1460s, was originally a parish church. Its construction took more than 100 years. In 1405, after the chancel was vaulted, it was consecrated as a parish church. It is interesting to note that the western façade of the future cathedral was built almost parallel to the presbytery. Only later did the construction of the nave begin, which was vaulted in 1481. The construction of the chapels surrounding it also began in the 15th century, the first being those of the Buczackie and Bracka families. The character of the cathedral changed with the modernisation works carried out. Particularly important were those carried out in the 1860s, giving the interior a Baroque character with Rococo elements. It was then that, among other things, the painting decoration of the walls and vaulting of the nave by Stanisław Stroiński was created. Further significant changes took place at the end of the 19th century. Not only was the presbytery renovated according to a design by Julian Zacharewicz, but stained-glass windows and polychromes were also made by the pupils of Jan Matejko. Both World War I and the Polish-Ukrainian fighting and war with Russia halted the work, and wartime requisitions deprived it, among other things, of its copper roof. Work resumed in 1923, but again the war and, above all, the period of Soviet rule in Lviv meant that, despite all efforts, the cathedral's condition steadily deteriorated. It was only after 1991 and the ingress of Archbishop Marian Jaworski that long-term restoration work began, largely financed by the Senate of the Republic of Poland and the Ministry of Culture and National Heritage, and since 2018 also by the Polonica Institute, which was commissioned to carry out the restoration of the organ.