Constantinople.

 Constantinople (Κωνσταντινούπολις) (Constantinopolis) was the capital of the Byzantine Empire, the Latin Empire, the Ottoman Empire, and the Roman Empire in different periods.

In ancient times this place was a port city. Because Byzas from the Greek city of Megara created a settlement on the strait of Bosporus. On the strait the Mediterranean Seas and the Black Sea connected. He was the legendary founder of this city.

Later there were many rulers who controlled Constantinople. The Spartans, Athenians, Macedonians, and Persians fought for power.

Emperor Constantine I made a capital at Byzantium called "New Rome".

The Hagia Sophia is a famous architectural design work. This church was built by Justinian I. About six years 10, 000 workers created this building.

Constantinople saw different rulers and events. People with many religions visited this city.

In XIII century, Constantinople fell. It was in April 1204.

But this city kepts its history and buildings.

Source of image:

https://www.shutterstock.com/es/image-vector/drawing-sketch-illustration-ancient-constantinople-old-1507190906

Source of image:

https://www.shutterstock.com/es/image-photo/istanbul-turkey-october-16-2015fall-constantinople-334981871

Source of image:

https://www.shutterstock.com/es/image-illustration/istanbul-panoramic-illustration-hezarfen-ahmed-celebi-555553987

Source of image:

https://www.shutterstock.com/es/image-photo/istanbul-turkey-on-old-torn-map-64203682

Source of image:

https://www.shutterstock.com/es/image-vector/hagia-sophia-istanbul-turkey-vector-illustration-1192102474

Byzantine Empire.

 Byzantium or Eastern Roman Empire (Imperium Romanum Orientale, Romania) (Βασιλεία Ῥωμαίων, Ῥωμανία) was a province in the late antiquity and early Middle Ages. Capital of Byzantium was Constantinople. This city was large.

The Byzantine Empire left after the Roman Empire.

This country had its own culture, laws, civilization, rules, and emperors. Byzantine Empire was powerful for that time.

People in this empire talked in Greek language. But they identified themselves as Romans. Their religion was Christianity.

Byzantine Empire was a wealthy country in the early medieval period. Eastern Roman Empire had its own schools and education.

This country had many wars during its history. Rulers of other counties wanted to conquer Byzantium.

Also, Byzantine Empire had many architectural works. Different churches and other buildings had their  own style for Middle Ages.

But later this empire lost some parts. Empire which existed several centuries fell.

Byzantine Empire left legacy. Other countries studied this history. During Renaissance (XIV-XVII centuries) culture of Byzantium helped scientists.

Source of image:

https://www.shutterstock.com/ru/image-photo/ancient-golden-byzantine-coins-emperor-portraits-418296661

Source of image:

https://www.shutterstock.com/ru/image-vector/vector-map-byzantine-empire-1351244093

Source of image:

https://www.shutterstock.com/ru/image-vector/emperor-empress-byzantine-royal-family-crown-1371897008