The main purpose was to celebrate the Catholic Church and faith, partly caused by feeling of gratitude for ending a plague, which struck Moravia (now in the Czech Republic) between 1713 and 1715.

[2] According to the ICOMOS evaluation of this patrimony, "the erection of Marian (plague) columns on town squares is an exclusively Baroque, post-Tridentine, phenomenon.

Goldsmith Simon Forstner, who made gilded copper sculptures of the Holy Trinity and of the Assumption of the Virgin,[1]: 35–39  was somewhat luckier and managed to finish his brilliant work.

After the Holy Trinity Column was finished in 1754, it became a source of great pride for Olomouc, since all people participating in its creation were citizens of the town.

[1]: 21  The column was repaired soon after the war and a replica of a stone shot was half-buried in its stem on the place where it was hit to remind people of this event.

[1]: 22 The column is dominated by gilded copper sculptures of the Holy Trinity accompanied by the Archangel Gabriel on the top and the Assumption of the Virgin beneath it.

John Sarkander was a priest who was tortured to death in Olomouc prison in the beginning of the Thirty Years' War, because he, as the legend says, refused to break the seal of confession.