Task: Text Categorization
Input (English): His father enlarged his kingdom at the expense of the Wendish chiefdoms, and built a line of forts that allowed this prince to win his most famous battle. Taking advantage of internal rivalries among the Lombards, he launched an invasion of Northern Italy to free the Lombard Queen Adelaide, whom he later married, claiming parts of Northern Italy as a dowry. Invading again in 960 at the behest of a besieged Pope John XII, the Pope rewarded him by crowning him emperor. FTP, name this Saxon king who repulsed a 955 Magyar invasion at the battle of Lechfeld, the first Holy Roman Emperor.
Output (English): History