As one of the most important centers of Protestant Reformation in the country, the town created the Protestant "League of Seven Mining Towns" together with Banská Belá, Banská Bystrica, Banská Štiavnica, Kremnica, Nová Baňa, and Pukanec. In 1692, the first modern blast furnace in the Kingdom of Hungary was built in Ľubietová.
As a key location for the Protestant Reformation in the country, the town collaborated with Banská Belá, Banská Bystrica, Banská Štiavnica, Kremnica, Nová Baňa, and Pukanec to form the "League of Seven Mining Towns." In 1692, the first modern blast furnace in Hungary was built in Ľubietová.