Empress Koken, also known as Empress Shotoku, was the 46th (with Empress Koken name) and the 48th monarch of Japan (with Empress Shotoku name), according to the traditional order of succession. Empress Koken first reigned from 749 to 758, t...

Alcuin of York was an English scholar, ecclesiastic, poet and teacher from York, Northumbria. He was born around 735 and became the student of Archbishop Ecgbert at York. At the invitation of Charlemagne, he became a leading scholar and tea...

Abd al-Rahman I was the founder of a Muslim dynasty that ruled the greater part of Iberia for nearly three centuries (including the succeeding Caliphate of Córdoba). The Muslims called the regions of Iberia under their dominion al-Andalus....

The Battle of Tours, often called Battle of Poitiers, was fought near the city of Tours, close to the border between the Frankish realm and the independent region of Aquitaine. The battle pitted Frankish and Burgundian forces under Austrasi...

Charlemagne, meaning Charles the Great, was King of the Franks from 768 and Emperor of the Romans (Imperator Romanorum) from 800 to his death in 814. He expanded the Frankish kingdom into an empire that incorporated much of Western and Cent...

Padmasambhava, The Lotus Born, was a sage guru from Oddiyana na who is said to have transmitted Vajrayana Buddhism to Bhutan and Tibet and neighbouring countries in the 8th century. In those lands he is better known as Guru Rinpoche ("Preci...

Offa (son of Thingfrith, son of Eanulf), King of Mercia, was one of the leading figures of Saxon history. He obtained the throne of Mercia in 757, after the murder of his cousin, King Aethelbald, by Beornraed. After spending fourteen years...

Jayavarman II, a 9th century king of Cambodia, is widely recognized as the founder of the Khmer Empire, which ruled much of the Southeast Asian mainland for more than six hundred years. Historians formerly dated his reign as running from 80...

Bai Juyi or Po Chü-i was a Chinese poet of the Tang dynasty. He wrote over 2,800 poems, which he had copied and distributed to ensure their survival. He is most notable for the accessibility of his work. It is said that he rewrote any part...

Liu Zongyuan was a Chinese writer and poet who lived in Chang'an in the Tang dynasty. Along with Han Yu, he was a founder of the Classical Prose Movement. He was traditionally classed as one of the Eight Great Prose Masters of the Tang and...

Roland, the great French hero of the medieval Charlemagne cycle of chansons de geste, immortalized in the Chanson de Roland (11th or 12th cent.). Existence of an early Roland poem is indicated by the historian Wace's statement that Taillefe...

Louis the Pious, also called the Fair, and the Debonaire, was the King of the Franks and co-Emperor (as Louis I) with his father, Charlemagne, from 813. He was also King of Aquitaine from 781. As the only surviving adult son of Charlemag...

Al-Khwarizmi was a Persian scholar who produced works in mathematics, astronomy, and geography. Around 820 AD he was appointed as the astronomer and head of the library of the House of Wisdom in Baghdad. Al-Khwarizmi's popularizing treat...

Leo III, Saint, pope (795–816), a Roman; successor of Adrian I. He was attacked about the face and eyes by members of Adrian's family, who hoped to render him unfit for the papacy. Leo recovered and fled (799) to Charlemagne's protection at...

Gunpowder, also known as the retronym black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur (S), charcoal (C), and potassium nitrate (saltpeter, KNO3). The...