St. Catherine Church has undergone numerous changes over the centuries. It was originally built around the end of the 13th century, in the Occitan Gothic style; several 13th century features remain, such as the holy water stoup. It formed part of the defensive system of town walls and was at the entrance to the village.
During the Wars of Religion in the 16th century, the building was badly damaged, and the church bells were thrown into a well (but they were later retrieved and one was able to be restored).
It was re-roofed and restored during the reign of Henry IV (1589-1610).
Each century since has seen intermittent efforts to restore and improve the church, including a major re-orientation of the building in 1876.
References:Trenčín Castle is relatively large renovated castle, towering on a steep limestone cliff directly above the city of Trenčín. It is a dominant feature not only of Trenčín, but also of the entire Považie region. The castle is a national monument.
History of the castle cliff dates back to the Roman Empire, what is proved by the inscription on the castle cliff proclaiming the victory of Roman legion against Germans in the year 179.
Today’s castle was probably built on the hill-fort. The first proven building on the hill was the Great Moravian rotunda from the 9th century and later there was a stone residential tower, which served to protect the Kingdom of Hungary and the western border. In the late 13th century the castle became a property of Palatine Matúš Csák, who became Mr. of Váh and Tatras.
Matúš Csák of Trenčín built a tower, still known as Matthew’s, which is a dominant determinant of the whole building.