Byzantine, Russia, Eastern Europe 300-1615
History

A geographic area in Southeast Europe, known as a crossroads of cultures
Balkan Peninsula
A geographic area in Southeast Europe, known as a crossroads of cultures. Balkan Peninsula. The Balkan Peninsula is a region historically known for its diverse cultures and frequent conflicts due to its strategic location between major empires.

The ancient city of Byzantium which became the capital of the Roman Empire by Constantine
Constantinople
The ancient city of Byzantium which became the capital of the Roman Empire by Constantine. Constantinople. Constantinople is the historical city that was the capital of the Byzantine Empire and later became modern-day Istanbul.

A group of people who identify with each other on the basis of common language, nation, society etc.
Ethnic group
A group of people who identify with each other on the basis of common language, nation, society etc., ethnic group. In history, an ethnic group is a community of people sharing a common cultural heritage and ancestry.

A one of the first examples of constitutional limits being placed on the powers of a European monarch
Golden Bull of 1222
A one of the first examples of constitutional limits being placed on the powers of a European monarch. Golden Bull of 1222. The Golden Bull of 1222 was a decree issued by the Hungarian King Andrew II, limiting royal power and granting rights to the nobility.

A Mongol and later Turkicized khaganate established in the 13th century
Golden Horde
A Mongol and later Turkicized khaganate established in the 13th century. Golden Horde. The Golden Horde was a powerful empire in medieval Eurasia, predominantly Mongol-Turkic, that controlled parts of Russia and Eastern Europe.

The Eastern Roman emperor and saint in the Eastern Orthodox Church
Justinian
The Eastern Roman emperor and saint in the Eastern Orthodox Church. Justinian. Justinian was a Byzantine emperor famous for his large-scale building projects, codification of Roman law, and attempts to reconquer lost Western territories.

An one part of the Corpus Juris Civilis, the codification of Roman law
Justinians Code
One part of the Corpus Juris Civilis, the codification of Roman law, is Justinian's Code. Justinian's Code is a collection of laws and legal interpretations developed under the Byzantine Emperor Justinian I to systematize and organize Roman law.

A high-ranking bishop in certain Orthodox and Catholic churches
Patriarch
A high-ranking bishop in certain Orthodox and Catholic churches. Patriarch. In history, a patriarch is a leading bishop who holds authority over other bishops in certain Eastern Orthodox, Oriental Orthodox, and Eastern Catholic Churches.

An Eastern Roman empress by marriage to Justinian and a saint in the Orthodox Church
Theodora
An Eastern Roman empress by marriage to Justinian and a saint in the Orthodox Church. Theodora. She was a powerful and influential Byzantine empress known for her intelligence and strong support of women's rights.