Thomas Aquinas was an Italian Dominican priest of the Catholic Church, and an immensely influential philosopher and theologian in the tradition of scholasticism, known as Doctor Angelicus, Doctor Communis, or Doctor Universalis. He was the...

Charles I, commonly called Charles of Anjou, was the King of Sicily by conquest from 1266 (though he had received it as a papal grant in 1262), though he was expelled from the island in the aftermath of the Sicilian Vespers of 1282. Thereaf...

The Codex Gigas is the largest extant medieval manuscript in the world. It was created in the early 13th century in the Benedictine monastery of Podlažice in Bohemia, and is now preserved at the National Library of Sweden in Stockholm. It i...

Jacob van Maerlant (or Merlant) is known as the greatest Flemish poet of the Middle Ages. He was born about 1235 and died sometime after 1291. Of his life little is known. In his first work, Merlijns Boeck, the author calls himself "Jacob d...

Pope Boniface VIII was Pope of the Roman Catholic Church from 1294 to 1303. Boniface VIII put forward some of the strongest claims to temporal, as well as spiritual, supremacy of any Pope and constantly involved himself with foreign affairs...

Peter the Great was the King of Aragon (as Peter III) and Valencia (as Peter I) and Count of Barcelona (as Peter II) from 1276 to his death. He conquered Sicily and became its king in 1282. He was one of the greatest of medieval Aragonese m...

Edward I, popularly known as "Longshanks" because of his 6 foot 2 inch (1.88 m) frame and the "Hammer of the Scots" (his tombstone, in Latin, read, Hic est Edwardus Primus Scottorum Malleus, "Here is Edward I, Hammer of the Scots"), achieve...

In the two centuries of their known existence the Knights Templar served under twenty-three Grand Masters. It is Jacques DeMolay the twenty-third and last Grand Master however, whom is best know. In 1305, Philip the Fair, King of France,...

Roger of Lauria was a Sicilian admiral in Aragonese service, who was the commander of the fleet of Aragon during the War of the Sicilian Vespers. He was probably the most successful and talented naval tactician of the medieval period. He is...

Pope John XXII, born Jacques Duèze (or d'Euse), was pope from 1316 to 1334. He was the son of a shoemaker in Cahors. He studied medicine in Montpellier and law in Paris. The two-year gap (sede vacante) between the death of Pope Clement V in...

The Stabat Mater is a 13th-century Christian hymn to Mary, which portrays her suffering as Jesus Christ's mother during his crucifixion. Its author may be either the Franciscan friar Jacopone da Todi or Pope Innocent III. The title comes fr...

Conrad, called the Younger or the Boy, but usually known by the diminutive Conradin, was the Duke of Swabia (1254–1268, as Conrad IV), King of Jerusalem (1254–1268, as Conrad III), and King of Sicily (1254–1258, de jure until 1268, as Conra...

Count Floris V of Holland (1254-1296), the "Keerlen God" (Peasant God), is one of the most important figures of the first, native dynasty of Holland (833-1299). His life has been documented in detail in the Rijmkroniek by Melis Stoke, his c...

Marco Polo was a Christian merchant from the Venetian Republic whose travels are recorded in Il Milione, a book which did much to introduce Europeans to Central Asia and China. He learned about trading whilst his father and uncle, Niccolò a...

The Siege of Baghdad, which lasted from January 29 until February 10, 1258, entailed the investment, capture, and sacking of Baghdad, the capital of the Abbasid Caliphate, by Ilkhanate Mongol forces and allied troops. The Mongols were under...