Louis the Pious, also called the Fair and the Debonaire, was King of the Franks and co-emperor with his father, Charlemagne, from 813. He was also King of Aquitaine from 781. As the only surviving son of Charlemagne and Hildegard, he became the sole ruler of the Franks after his father's death in 814, a position that he held until his death except from 833 to 834, when he was deposed.
The 810s decade ran from January 1, 810, to December 31, 819.
The 820s decade ran from January 1, 820, to December 31, 829.
The 830s decade ran from January 1, 830, to December 31, 839.
The 840s decade ran from January 1, 840, to December 31, 849.
The 790s decade ran from January 1, 790, to December 31, 799.
Year 840 (DCCCXL) was a leap year starting on Thursday in the Julian calendar, the 840th year of the Common Era (CE) and Anno Domini (AD) designations, the 840th year of the 1st millennium, the 40th year of the 9th century, and the 1st year of the 840s decade.
Year 795 (DCCXCV) was a common year starting on Thursday of the Julian calendar. The denomination 795 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 980s decade ran from January 1, 980, to December 31, 989.
The 990s decade ran from January 1, 990, to December 31, 999.
Year 855 (DCCCLV) was a common year starting on Tuesday of the Julian calendar.
Year 790 (DCCXC) was a common year starting on Friday of the Julian calendar. The denomination 790 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 877 (DCCCLXXVII) was a common year starting on Tuesday of the Julian calendar.
Pope Paschal I was the bishop of Rome and ruler of the Papal States from 25 January 817 to his death in 824.
Hincmar, archbishop of Reims, was a Frankish jurist and theologian, as well as the friend, advisor and propagandist of Charles the Bald. He belonged to a noble family of northern Francia.
Ermengarde of Hesbaye, probably a member of the Robertian dynasty, was Carolingian empress from 813 and Queen of the Franks from 814 until her death as the wife of the Carolingian emperor Louis the Pious.
Íñigo Arista was a Basque leader, considered the first king of Pamplona. He is thought to have risen to prominence after the defeat of local Frankish partisans at the Battle of Pancorbo in 816, and his rule is usually dated from shortly after the defeat of a Carolingian army in 824.
From 756 to 857, the papacy shifted from the orbit of the Byzantine Empire to that of the kings of the Franks. Pepin the Short, Charlemagne, and Louis the Pious had considerable influence in the selection and administration of popes. The "Donation of Pepin" (756) ratified a new period of papal rule in central Italy, which became known as the Papal States.
The Battle of Pancorbo was a battle that took place in the year 816 between a Moorish army from the Emirate of Cordoba sent by Al-Hakam I and under the control of Abd al-Karim ibn Abd al-Wahid ibn Mugit and the pro-Frankish forces under the control of Balask al-Yalasqi. The battle was fought when the Córdoban forces attempted to cross the pass at Pancorbo.
The Battle of Roncevaux Pass was a battle in which a combined Basque-Qasawi Muslim army defeated a Carolingian military expedition in 824. The battle took place only 46 years after the first Battle of Roncevaux Pass (778) in a confrontation showing similar features: a Basque force engaging from the mountains, a northbound expedition led by the Franks, and the same geographical setting.
