structural:expansion
Italy and Moravia

In 1331, he gained some experience of warfare in Italy with his father. At the beginning of 1333, Charles went to Lucca (Tuscany) to consolidate his rule there. In an effort to defend the city, Charles founded the nearby fortress and the town of Montecarlo (Charles' Mountain).

From 1333, he administered the lands of the Bohemian Crown due to his father's frequent absence and deteriorating eyesight. In 1334, Charles was named Margrave of Moravia, the traditional title for heirs to the throne. Two years later, he assumed the government of Tyrol on behalf of his brother, John Henry, and was soon actively involved in a struggle for the possession of this county.