Sophia: Did you mean...?

During the reign of the emperor Justinian I (527-565 CE), one of the worst outbreaks of the plague took place, claiming the lives of millions of people. The plague arrived in Constantinople in 542 CE, almost a year after the disease first...

Jesus Christ detail, Deesis Mosaic, 13th century CE, Hagia Sophia, Istanbul, Turkey. The mosaic is accepted as a pioneer of the Renaissance Art

The Seraphim Mosaic, Hagia Sophia, Istanbul. Around the Pantocrator mosaic from the 9th century CE which was on the central dome. The "seraphim’’ are depicted in red.

Gnosticism is the belief that human beings contain a piece of God (the highest good or a divine spark) within themselves, which has fallen from the immaterial world into the bodies of humans. All physical matter is subject to decay, rotting...

The Cathars (also known as Cathari from the Greek Katharoi for “pure ones”) were a dualist medieval religious sect of Southern France which flourished in the 12th century and challenged the authority of the Catholic Church. They were also...

Medieval literature is defined broadly as any work written in Latin or the vernacular between c. 476-1500, including philosophy, religious treatises, legal texts, as well as works of the imagination. More narrowly, however, the term applies...

Eleanor of Aquitaine (l. c. 1122-1204 CE) was one of the most impressive and powerful figures of the High Middle Ages (1000-1300 CE) – male or female – whose influence shaped the politics, art, medieval literature, and perception of women...

Courtly Love (Amour Courtois) refers to an innovative literary genre of poetry of the High Middle Ages (1000-1300 CE) which elevated the position of women in society and established the motifs of the romance genre recognizable in the present...

Tsar (also czar) is a Slavic term derived from the Latin caesar. Ivan III (Ivan the Great) (r. 1462-1505) was the first Russian ruler to begin using the title of tsar during his reign instead of the title Grand Prince of Moscow. His grandson...

The Grail Legend (also known as the Grail Quest, Quest for the Holy Grail) developed in Europe c. 1050-1485 CE. It most likely originated in Ireland as folklore before appearing in written form sometime before 1056 CE in The Prophetic Ecstasy...