Aries (meaning "ram") is the first astrological sign in the zodiac, spanning the first 30 degrees of celestial longitude. Under the tropical zodiac, the Sun transits this sign mostly from March 21 to April 19 each year. This time duration i...

Septimius Severus, also known as Severus, was Roman emperor from 193 to 211. Severus was born in Leptis Magna in the Roman province of Africa. As a young man he advanced through the cursus honorum—the customary succession of offices—under t...

Caracalla, formally known as Antoninus, was a Roman emperor from AD 198 to 217. A member of the Severan Dynasty, he was the eldest son of Septimius Severus and Julia Domna. Caracalla reigned jointly with his father from 198 until Severus' d...

Constantius I, commonly known as Constantius Chlorus, was Caesar, a form of Roman co-emperor, from 293 to 306. He was the father of Constantine the Great and founder of the Constantinian dynasty. As Caesar, he defeated the usurper Allect...

Saint Jerome was an Illyrian Latin Christian priest, confessor, theologian and historian, who also became a Doctor of the Church. He was the son of Eusebius, of the city of Stridon, on the border of Dalmatia and Pannonia. He is best known f...

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...

Malcolm III was King of Scots from 1058 to 1093. He was later nicknamed "Canmore" ("ceann mòr", Gaelic for "Great Chief": "ceann" denotes "leader", "head" (of state) and "mòr" denotes "pre-eminent", "great", and "big"). Malcolm's long reign...

Averroës is the Latinized form of Ibn Rushd, a mediæval Andalusian Muslim polymath. He wrote on logic, Aristotelian and Islamic philosophy, theology, the Maliki school of Islamic jurisprudence, psychology, political and Andalusian classical...

Moses Maimonides is regarded by many as the greatest Jewish philosopher ever. As a doctor, rabbi, religious scholar, mathematician, astronomer, and commentator on the art of medicine, his influence has spanned centuries and cultures. He was...

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...

Louis IV, called the Bavarian, of the house of Wittelsbach, was King of the Romans from 1314, King of Italy from 1327, and Holy Roman Emperor from 1328. Louis IV was Duke of Upper Bavaria from 1294/1301 together with his elder brother Ru...

Timur meaning "iron" or Tamerlane in English, was a 14th-century conqueror of much of western and central Asia, founder of the Timurid Empire and Timurid dynasty (1370–1405) in Central Asia, and great great grandfather of Babur, the founder...

Saint Catherine of Siena was a tertiary of the Dominican Order and a Scholastic philosopher and theologian. She also worked to bring the papacy of Gregory XI back to Rome from its displacement in France, and to establish peace among the Ita...

Margaret of Dampierre was the last Countess of Flanders (as Margaret III) of the House of Dampierre, Countess of Artois and Countess Palatine of Burgundy (as Margaret II) and twice Duchess consort of Burgundy. Margaret was widowed in 13...

Henry IV was the King of England and France and Lord of Ireland from 1399 to 1413. He was born at Bolingbroke Castle in Lincolnshire, hence the other name by which he was known, "Henry (of) Bolingbroke". His father, John of Gaunt, was the t...