Definitions

Ardashir I (l. c. 180-241 CE, r. 224-240 CE) was the founder of the Persian Sassanian Empire (224-651 CE) and father of the great Sassanian king Shapur I (r. 240-270 CE). He is also known as Ardashir I Babakan, Ardeshir I, Ardashir...

The Oxus Treasure is a collection of 180 artifacts of precious metal, dated to the Achaemenid Empire (c. 550-330 BCE), which were discovered on the north bank of the Oxus River near the town of Takht-i Sangin in Tajikstan between...

The Peasants' Revolt, also known as the Great Revolt, was a largely unsuccessful popular uprising in England in June 1381. The rebellion's leaders included Wat Tyler and they wanted massive social changes which included a removal...

Umar ibn al-Khattab (r. 634-644 CE) was the second caliph of the Rashidun Caliphate (632-661 CE, as the first four caliphs are referred to by the Sunni Muslims). He was an early convert of Islam and one of the close companions of the Islamic...

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...

Persian art and architecture in the present day is associated with the nation of Iran and usually designated as beginning with the Achaemenid Empire (c. 550-330 BCE) but has an even longer history with its origins...

The Battle of Red Cliffs (also known as the Battle of Chibi, 208 CE) was the pivotal engagement between the forces of Northern China led by the warlord Cao Cao (l. 155-220 CE) and the allied defenders of the south under the...

Chepstow Castle, located in Monmouthshire, South Wales, was first built c. 1067 by William FitzOsbern and then significantly improved c. 1190 by Sir William Marshal (c. 1146-1219), one of England's greatest...

Tamar was the queen of Georgia from 1184 to 1213 CE. She is considered one of the greatest of medieval Georgia's monarchs, and she presided over its greatest territorial expansion, taking advantage of the decline of other major...

Abu Bakr (l. 573-634 CE, r. 632-634 CE) was an early convert of Islam; he was a close friend and confidant of the Islamic Prophet Muhammad, and became the first caliph of the Islamic empire – a successor to Muhammad's temporal position...