Francs emperor
After the death of eldest sons Charlemagne in 813 was called Louis to himself in Aachen. There he conferred on him the imperial title and announced his co-ruler and heir. September 11 took place the coronation of Louis. In November, he went back to Aquitaine, but in January 814 years back because of the death of his father, but now as the emperor francs.
Even before his arrival in Aachen Louis made the order, strongly changed the life of the court. First of all, he ordered to take custody of their lovers, sisters, whose frivolous life has long resented him, and themselves sisters sent to monasteries. Arriving at the palace, Louis made a section for personal property of Charles. He did not give his side the children, but made generous donations to churches and monasteries. After that, he deleted all his unpleasant people, most of whom were long-standing associates of his father and replaced them with those who were at his court in Aquitaine. Nephew of Louis, King Bernard Italian, the son of his brother, Pepin, came to him as a vassal, humbly expressing humility. Louis sent him back to Italy, but ordered them not to eye on him.
Louis, becoming the emperor, took steps to end lawlessness and arbitrariness of officials, held a general Diet, which received numerous victuals embassy, made the confirmation of previously made in favor of the Church donations.
In June 816, he died Pope Leo III. After 10 days, was elected the new pope, Stephen IV (V). Since he was elected without the consent of Louis, the emperor sent notice of its election, telling the Romans to swear allegiance to the emperor. Wanting to personally see the new emperor of the West, the Pope arrived in the Carolingian Empire. Louis solemnly met him at Reims, and three fell down before him on the ground. October 5 Pope Stephen solemnly crowned Louis and his wife Ermengarde golden crown, brought with him. The coronation took place in Reims church, which was the traditional place of coronation of the Frankish rulers since the days of King Clovis