Definitions

Caliphate (“Khilafat” in Arabic) was a semi-religious political system of governance in Islam, in which the territories of the Islamic empire in the Middle East and North Africa and the people within were ruled by a supreme leader called...

Windsor Castle is located in Berkshire, England, and was built as a motte and bailey castle by William the Conqueror (r. 1066-1087). Converted into stone by Henry II of England (r. 1165-1179), the shell keep tower was rebuilt by Edward III...

Muhammad ibn Abdullah (l. 570-632 CE) is venerated today as the Prophet of Islam and the “seal of Prophets” by his followers – the Muslims. Muslims believe that Muhammad was the last – hence the “seal” – of many prophets before him in Judaism...

William II of England, sometimes called William 'Rufus' for his red hair and complexion, reigned as the king of England from 1087 to 1100 CE. The son of William the Conqueror (r. 1066-1087 CE), the younger William was loyal to his father...

The Behistun Inscription is a relief with accompanying text carved 330 feet (100 meters) up a cliff in Kermanshah Province, Western Iran. The work tells the story of the victory of the Persian king Darius I (the Great, r. 522-486 BCE) over...

Harlech Castle, located in North Wales, was first built by Edward I of England (r. 1272-1307 CE) from 1283 CE. Largely completed by 1290 CE, the castle received some further additions up to 1330 CE. A classic example of a concentric medieval...

Ancient Persian culture flourished between the reign of Cyrus II (The Great, r. c. 550-530 BCE), founder of the Achaemenid Persian Empire, and the fall of the Sassanian Empire in 651 CE. Even so, the foundations of Persian culture were already...

Caernarfon Castle (aka Caernarvon) is located in North Wales and was first built from 1283 CE by Edward I of England (r. 1272-1307 CE) to help, along with several other major castles, control the newly conquered area. As the administrative...

The Ten Thousand Immortals were the elite force of the Persian army of the Achaemenid Empire (c. 550-330 BCE). They formed the king's personal bodyguard and were also considered the shock troops of the infantry in Persian warfare. They are...

The Tower of London is a castle located in London alongside the River Thames which was first built by William the Conqueror from c. 1077 and significantly added to over the centuries. Often referred to in England as simply 'the Tower', it...