Chalcedon: Did you mean...?

Hippocrates was born on the Greek island of Kos in the 5th century BCE, and he became the most famous physician in antiquity. He established a medical school on the island, wrote many treatises on medical matters, and is, through...

Valerian ruled as emperor of the Roman Empire from 253 CE until his capture in 260 CE. In 253 CE an elderly Roman military commander and experienced former senator was proclaimed emperor by his troops - a very common occurrence at the...

In the book of Genesis in the pre-flood period, Enoch was the son of Jared and the father of Methuselah. There are few details about Enoch. We learn that he lived 365 years, and then Enoch "walked faithfully with God; then he was no more...

Khosrow II (aka Kosrau II, r. 590-628) was the last powerful shahanshah (king of kings) of the Sassanian Empire. Grandson of Kosrau I (r. 531-579) and near-conqueror of the Byzantine Empire in the Byzantine-Sassanian War of 602-628...

Macrinus was Roman emperor from April 217 to June 218 CE. It is a story that has been told countless times before - an emperor is assassinated leaving no heir or successor. On April 8, 217 CE Roman Emperor Caracalla was murdered, supposedly...

The ruins of Zvartnots Cathedral are located on a flat plain within the Ararat Plateau between the cities of Yerevan and Etchmiadzin in Armenia's Armavir province near Zvartnots International Airport. Built in the middle of...

The Mamikonians were a powerful clan group who were influential in Armenian political and military affairs from the 1st century BCE onwards. They rose to particular prominence from c. 428 CE to 652 CE in the half of Armenia...

Map showing the spread of Christianity, showing both strongly Christianized areas before 325 CE and generally Christianized areas until 600 CE. The map also shows major Christian centers and the cities in which...

Plato's concept of the Philosopher-King (one who governs according to philosophical precepts and higher truths) is thought to be best exemplified through the Roman emperor Marcus Aurelius Antoninus (r. 161-180...

The relationship between the Byzantine Empire and ancient Armenia was a constant and varied one with an equal mix of wars, occupations, treaties of friendship, mutual military aid, and cultural exchange. Regarded as...