words of Petrarch, but laden with considerable wealth. On his return, Charles was occupied with the administration of the Empire, then just recovering from the Black Death, and in 1356, he promulgated the famous Golden Bull to regulate the election of the king. Having given Moravia to one brother, John Henry, and erected the county of Luxembourg into a duchy for another, Wenceslaus, he was unremitting in his efforts to secure other territories as compensation and to strengthen the Bohemian monarchy. To this end he purchased part of the upper Palatinate of the Rhine in 1353, and in 1367 annexed Lower Lusatia to Bohemia and bought numerous estates in various parts of Germany. On the death of Meinhard, Duke of Upper Bavaria and Count of Tyrol, in 1363, Upper Bavaria was claimed by the sons of the emperor Louis IV, and Tyrol by Rudolf IV, Duke of Austria. Both claims were admitted by Charles on the understanding that if these families died out both territories should pass to the House of Luxembourg. At about the same time, he was promised the succession to the Margravate of Brandenburg, which he actually obtained for his son Wenceslaus in 1373. Casimir III of Poland and Louis I of Hungary entered a conspiracy against Charles and managed to persuade Otto V of Bavaria to join. After the repeal of the estate contract by margrave Otto, in early July 1371, Charles IV declared hostilities and invaded Margraviate of Brandenburg; after two years of conflict, in 1373 Brandenburg became part of the Czech lands. This was when he gave the order to measure his new territory, its villages, people, and income. This was recorded in the Landbuch of Charles IV, which was finished in 1375. Many villages were mentioned for the first time in this book, so it can provide information on how old they are. He also gained a considerable portion of Silesian territory, partly by inheritance through his third wife, Anna von Schweidnitz, daughter of Henry II, Duke of Świdnica and Catherine of Hungary. In 1365, Charles visited Pope Urban V at Avignon and undertook to escort him to Rome; on the same occasion he was crowned King of Burgundy at Arles. His second journey to Italy took place in 1368 when he had a meeting with Pope Urban V at Viterbo, was besieged in his palace at Siena, and left the country before