Babylonian Mathematics: Did you mean...?

The first four caliphs of the Islamic empire – Abu Bakr, Umar, Uthman, and Ali are referred to as Rashidun (rightly guided) Caliphs (632-661 CE) by mainstream Sunni Muslims. Their tenure started with the death of Prophet Muhammad...

Edward I of England reigned as king from 1272 to 1307 CE. Edward succeeded his father Henry III of England (r. 1216-1272 CE) and was known as 'Longshanks' for his impressive height and as 'the Hammer of the Scots' for his repeated...

Conwy Castle (aka Conway Castle), located in North Wales, was built by Edward I of England (r. 1272-1307 CE) from 1283 to 1292 CE to protect and maintain, along with several other castles, his newly acquired dominance in the region...

Henry VIII of England ruled as king from 1509 to 1547. The second Tudor king after his father Henry VII of England (r. 1485-1509), Henry had inherited a kingdom which enjoyed both unity and sound finances. Famous for his six...

Ajatashatru (c. 493/492 BCE - c. 462/460 BCE) was the second important king of the Haryanka Dynasty, who came to the throne of Magadha by deposing and executing his own father Bimbisara. The Haryanka Dynasty (c. 545/544 BCE - c. 413...

Richard II of England reigned as king from 1377 to 1399 CE. The son of the late Edward the Black Prince (1330-1376 CE), Richard would succeed his grandfather Edward III of England (r. 1327-1377 CE), but as he was only 10 years...

Stirling Castle, located on a strategically important rocky outcrop by the River Forth in central Scotland, was a key royal residence from the late 11th century into the early modern period and subject to many battles and sieges...

The Council of Chalcedon was called in 451 CE by the Roman Emperor Marcian (r. 450-457) to settle debates regarding the nature (hypostases, "reality") of Christ that had begun at two earlier meetings in Ephesus (431 CE and...

Neptune is the Roman god of the sea and the Roman equivalent of the Greek god Poseidon. He was originally a god of fresh water and became associated with Poseidon early on in Roman history. He lives in a golden palace at the bottom of...

Richard, 3rd Duke of York (l. 1411-1460 CE) was the richest man in England and one of the nobles who sparked off the Wars of the Roses (1455-1487 CE), a dynastic dispute that rumbled on for four decades between several English...