The Royal Artillery Factory of La Cavada was an artillery foundry was established in 1622 by Jean Curtius with the support of Gaspar de Guzmán, Count-Duke of Olivares. It became fully operational 15 years later. Between 1637 and 1835 the facility was responsible for the production of more than 26,000 cannons for ships and fortresses throughout the Spanish Empire.
It closed after the defeat of the Spanish at the Battle of Trafalgar.
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.